Home / 1,325,569.20-1,829,285.28-721,957.20

Finding the Fourth Proportional to 1,325,569.20, 1,829,285.28 and 721,957.20

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Solution

The fourth proportional to 1,325,569.20, 1,829,285.28 and 721,957.20 is: 996,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,569.20 : 1,829,285.28 = 721,957.20 : x
  2. Step 2: Convert to fraction form
    1,325,569.20/1,829,285.28 = 721,957.20/x
  3. Step 3: Cross multiply
    1,325,569.20x = 1,829,285.28 × 721,957.20
  4. Step 4: Simplify right side
    1,325,569.20x = 1,320,665,678,750.02
  5. Step 5: Solve for x
    x = 1,320,665,678,750.02/1,325,569.20
  6. Step 6: Final answer
    x = 996,300.82

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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.