Home / 1,435,988.47-1,981,657.59-791,407.27

Finding the Fourth Proportional to 1,435,988.47, 1,981,657.59 and 791,407.27

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Solution

The fourth proportional to 1,435,988.47, 1,981,657.59 and 791,407.27 is: 1,092,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,988.47 : 1,981,657.59 = 791,407.27 : x
  2. Step 2: Convert to fraction form
    1,435,988.47/1,981,657.59 = 791,407.27/x
  3. Step 3: Cross multiply
    1,435,988.47x = 1,981,657.59 × 791,407.27
  4. Step 4: Simplify right side
    1,435,988.47x = 1,568,298,223,376.68
  5. Step 5: Solve for x
    x = 1,568,298,223,376.68/1,435,988.47
  6. Step 6: Final answer
    x = 1,092,138.45

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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.