Home / 1,342,895.71-1,853,139.34-731,035.78

Finding the Fourth Proportional to 1,342,895.71, 1,853,139.34 and 731,035.78

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Solution

The fourth proportional to 1,342,895.71, 1,853,139.34 and 731,035.78 is: 1,008,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,895.71 : 1,853,139.34 = 731,035.78 : x
  2. Step 2: Convert to fraction form
    1,342,895.71/1,853,139.34 = 731,035.78/x
  3. Step 3: Cross multiply
    1,342,895.71x = 1,853,139.34 × 731,035.78
  4. Step 4: Simplify right side
    1,342,895.71x = 1,354,711,167,514.40
  5. Step 5: Solve for x
    x = 1,354,711,167,514.40/1,342,895.71
  6. Step 6: Final answer
    x = 1,008,798.49

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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.