Home / 1,069,451.76-1,475,291.40-725,171.18

Finding the Fourth Proportional to 1,069,451.76, 1,475,291.40 and 725,171.18

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Solution

The fourth proportional to 1,069,451.76, 1,475,291.40 and 725,171.18 is: 1,000,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,451.76 : 1,475,291.40 = 725,171.18 : x
  2. Step 2: Convert to fraction form
    1,069,451.76/1,475,291.40 = 725,171.18/x
  3. Step 3: Cross multiply
    1,069,451.76x = 1,475,291.40 × 725,171.18
  4. Step 4: Simplify right side
    1,069,451.76x = 1,069,838,798,005.40
  5. Step 5: Solve for x
    x = 1,069,838,798,005.40/1,069,451.76
  6. Step 6: Final answer
    x = 1,000,361.90

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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.