Home / 1,025,251.80-1,537,877.70-726,070.20

Finding the Fourth Proportional to 1,025,251.80, 1,537,877.70 and 726,070.20

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Solution

The fourth proportional to 1,025,251.80, 1,537,877.70 and 726,070.20 is: 1,089,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,251.80 : 1,537,877.70 = 726,070.20 : x
  2. Step 2: Convert to fraction form
    1,025,251.80/1,537,877.70 = 726,070.20/x
  3. Step 3: Cross multiply
    1,025,251.80x = 1,537,877.70 × 726,070.20
  4. Step 4: Simplify right side
    1,025,251.80x = 1,116,607,169,214.54
  5. Step 5: Solve for x
    x = 1,116,607,169,214.54/1,025,251.80
  6. Step 6: Final answer
    x = 1,089,105.30

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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.