Home / 1,040,401.65-1,560,602.48-330,501.45

Finding the Fourth Proportional to 1,040,401.65, 1,560,602.48 and 330,501.45

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Solution

The fourth proportional to 1,040,401.65, 1,560,602.48 and 330,501.45 is: 495,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,401.65 : 1,560,602.48 = 330,501.45 : x
  2. Step 2: Convert to fraction form
    1,040,401.65/1,560,602.48 = 330,501.45/x
  3. Step 3: Cross multiply
    1,040,401.65x = 1,560,602.48 × 330,501.45
  4. Step 4: Simplify right side
    1,040,401.65x = 515,781,380,861.09
  5. Step 5: Solve for x
    x = 515,781,380,861.09/1,040,401.65
  6. Step 6: Final answer
    x = 495,752.18

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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.