Home / 1,401,446.40-2,102,169.60-514,867.20

Finding the Fourth Proportional to 1,401,446.40, 2,102,169.60 and 514,867.20

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Solution

The fourth proportional to 1,401,446.40, 2,102,169.60 and 514,867.20 is: 772,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,446.40 : 2,102,169.60 = 514,867.20 : x
  2. Step 2: Convert to fraction form
    1,401,446.40/2,102,169.60 = 514,867.20/x
  3. Step 3: Cross multiply
    1,401,446.40x = 2,102,169.60 × 514,867.20
  4. Step 4: Simplify right side
    1,401,446.40x = 1,082,338,175,877.12
  5. Step 5: Solve for x
    x = 1,082,338,175,877.12/1,401,446.40
  6. Step 6: Final answer
    x = 772,300.80

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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.