Home / 1,044,129.10-1,566,366.45-445,377.10

Finding the Fourth Proportional to 1,044,129.10, 1,566,366.45 and 445,377.10

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Solution

The fourth proportional to 1,044,129.10, 1,566,366.45 and 445,377.10 is: 668,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,129.10 : 1,566,366.45 = 445,377.10 : x
  2. Step 2: Convert to fraction form
    1,044,129.10/1,566,366.45 = 445,377.10/x
  3. Step 3: Cross multiply
    1,044,129.10x = 1,566,366.45 × 445,377.10
  4. Step 4: Simplify right side
    1,044,129.10x = 697,623,747,038.30
  5. Step 5: Solve for x
    x = 697,623,747,038.30/1,044,129.10
  6. Step 6: Final answer
    x = 668,139.36

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Double scale
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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.