Home / 1,296,177.52-1,788,740.76-752,439.28

Finding the Fourth Proportional to 1,296,177.52, 1,788,740.76 and 752,439.28

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Solution

The fourth proportional to 1,296,177.52, 1,788,740.76 and 752,439.28 is: 1,038,375.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,177.52 : 1,788,740.76 = 752,439.28 : x
  2. Step 2: Convert to fraction form
    1,296,177.52/1,788,740.76 = 752,439.28/x
  3. Step 3: Cross multiply
    1,296,177.52x = 1,788,740.76 × 752,439.28
  4. Step 4: Simplify right side
    1,296,177.52x = 1,345,918,809,561.05
  5. Step 5: Solve for x
    x = 1,345,918,809,561.05/1,296,177.52
  6. Step 6: Final answer
    x = 1,038,375.37

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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.