Home / 1,560,267.40-2,340,401.10-378,315.40

Finding the Fourth Proportional to 1,560,267.40, 2,340,401.10 and 378,315.40

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Solution

The fourth proportional to 1,560,267.40, 2,340,401.10 and 378,315.40 is: 567,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,267.40 : 2,340,401.10 = 378,315.40 : x
  2. Step 2: Convert to fraction form
    1,560,267.40/2,340,401.10 = 378,315.40/x
  3. Step 3: Cross multiply
    1,560,267.40x = 2,340,401.10 × 378,315.40
  4. Step 4: Simplify right side
    1,560,267.40x = 885,409,778,306.94
  5. Step 5: Solve for x
    x = 885,409,778,306.94/1,560,267.40
  6. Step 6: Final answer
    x = 567,473.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.