Home / 1,025,812.80-1,540,562.40-992,635.20

Finding the Fourth Proportional to 1,025,812.80, 1,540,562.40 and 992,635.20

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Solution

The fourth proportional to 1,025,812.80, 1,540,562.40 and 992,635.20 is: 1,490,736.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,812.80 : 1,540,562.40 = 992,635.20 : x
  2. Step 2: Convert to fraction form
    1,025,812.80/1,540,562.40 = 992,635.20/x
  3. Step 3: Cross multiply
    1,025,812.80x = 1,540,562.40 × 992,635.20
  4. Step 4: Simplify right side
    1,025,812.80x = 1,529,216,466,036.48
  5. Step 5: Solve for x
    x = 1,529,216,466,036.48/1,025,812.80
  6. Step 6: Final answer
    x = 1,490,736.39

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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.