Home / 1,572,079.60-2,356,078.20-728,837.20

Finding the Fourth Proportional to 1,572,079.60, 2,356,078.20 and 728,837.20

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Solution

The fourth proportional to 1,572,079.60, 2,356,078.20 and 728,837.20 is: 1,092,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,079.60 : 2,356,078.20 = 728,837.20 : x
  2. Step 2: Convert to fraction form
    1,572,079.60/2,356,078.20 = 728,837.20/x
  3. Step 3: Cross multiply
    1,572,079.60x = 2,356,078.20 × 728,837.20
  4. Step 4: Simplify right side
    1,572,079.60x = 1,717,197,438,269.04
  5. Step 5: Solve for x
    x = 1,717,197,438,269.04/1,572,079.60
  6. Step 6: Final answer
    x = 1,092,309.47

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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.