Home / 1,373,089.79-1,894,976.17-761,434.39

Finding the Fourth Proportional to 1,373,089.79, 1,894,976.17 and 761,434.39

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Solution

The fourth proportional to 1,373,089.79, 1,894,976.17 and 761,434.39 is: 1,050,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,089.79 : 1,894,976.17 = 761,434.39 : x
  2. Step 2: Convert to fraction form
    1,373,089.79/1,894,976.17 = 761,434.39/x
  3. Step 3: Cross multiply
    1,373,089.79x = 1,894,976.17 × 761,434.39
  4. Step 4: Simplify right side
    1,373,089.79x = 1,442,900,024,533.62
  5. Step 5: Solve for x
    x = 1,442,900,024,533.62/1,373,089.79
  6. Step 6: Final answer
    x = 1,050,841.71

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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.