Home / 1,296,176.52-1,788,739.38-752,438.28

Finding the Fourth Proportional to 1,296,176.52, 1,788,739.38 and 752,438.28

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Solution

The fourth proportional to 1,296,176.52, 1,788,739.38 and 752,438.28 is: 1,038,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,176.52 : 1,788,739.38 = 752,438.28 : x
  2. Step 2: Convert to fraction form
    1,296,176.52/1,788,739.38 = 752,438.28/x
  3. Step 3: Cross multiply
    1,296,176.52x = 1,788,739.38 × 752,438.28
  4. Step 4: Simplify right side
    1,296,176.52x = 1,345,915,982,455.47
  5. Step 5: Solve for x
    x = 1,345,915,982,455.47/1,296,176.52
  6. Step 6: Final answer
    x = 1,038,373.99

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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.