Home / 1,572,140.10-2,356,168.95-728,897.70

Finding the Fourth Proportional to 1,572,140.10, 2,356,168.95 and 728,897.70

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Solution

The fourth proportional to 1,572,140.10, 2,356,168.95 and 728,897.70 is: 1,092,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,140.10 : 2,356,168.95 = 728,897.70 : x
  2. Step 2: Convert to fraction form
    1,572,140.10/2,356,168.95 = 728,897.70/x
  3. Step 3: Cross multiply
    1,572,140.10x = 2,356,168.95 × 728,897.70
  4. Step 4: Simplify right side
    1,572,140.10x = 1,717,406,128,466.42
  5. Step 5: Solve for x
    x = 1,717,406,128,466.42/1,572,140.10
  6. Step 6: Final answer
    x = 1,092,400.18

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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.