Home / 1,004,443.78-1,386,142.60-545,562.80

Finding the Fourth Proportional to 1,004,443.78, 1,386,142.60 and 545,562.80

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Solution

The fourth proportional to 1,004,443.78, 1,386,142.60 and 545,562.80 is: 752,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,443.78 : 1,386,142.60 = 545,562.80 : x
  2. Step 2: Convert to fraction form
    1,004,443.78/1,386,142.60 = 545,562.80/x
  3. Step 3: Cross multiply
    1,004,443.78x = 1,386,142.60 × 545,562.80
  4. Step 4: Simplify right side
    1,004,443.78x = 756,227,838,055.28
  5. Step 5: Solve for x
    x = 756,227,838,055.28/1,004,443.78
  6. Step 6: Final answer
    x = 752,882.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.