Home / 1,298,528.44-1,791,978.25-725,592.76

Finding the Fourth Proportional to 1,298,528.44, 1,791,978.25 and 725,592.76

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Solution

The fourth proportional to 1,298,528.44, 1,791,978.25 and 725,592.76 is: 1,001,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,528.44 : 1,791,978.25 = 725,592.76 : x
  2. Step 2: Convert to fraction form
    1,298,528.44/1,791,978.25 = 725,592.76/x
  3. Step 3: Cross multiply
    1,298,528.44x = 1,791,978.25 × 725,592.76
  4. Step 4: Simplify right side
    1,298,528.44x = 1,300,246,444,277.47
  5. Step 5: Solve for x
    x = 1,300,246,444,277.47/1,298,528.44
  6. Step 6: Final answer
    x = 1,001,323.04

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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.