Home / 1,402,729.13-1,935,727.38-790,876.47

Finding the Fourth Proportional to 1,402,729.13, 1,935,727.38 and 790,876.47

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Solution

The fourth proportional to 1,402,729.13, 1,935,727.38 and 790,876.47 is: 1,091,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,729.13 : 1,935,727.38 = 790,876.47 : x
  2. Step 2: Convert to fraction form
    1,402,729.13/1,935,727.38 = 790,876.47/x
  3. Step 3: Cross multiply
    1,402,729.13x = 1,935,727.38 × 790,876.47
  4. Step 4: Simplify right side
    1,402,729.13x = 1,530,921,237,176.75
  5. Step 5: Solve for x
    x = 1,530,921,237,176.75/1,402,729.13
  6. Step 6: Final answer
    x = 1,091,387.64

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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.