Home / 1,488,862.26-2,232,313.32-981,877.38

Finding the Fourth Proportional to 1,488,862.26, 2,232,313.32 and 981,877.38

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Solution

The fourth proportional to 1,488,862.26, 2,232,313.32 and 981,877.38 is: 1,472,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,862.26 : 2,232,313.32 = 981,877.38 : x
  2. Step 2: Convert to fraction form
    1,488,862.26/2,232,313.32 = 981,877.38/x
  3. Step 3: Cross multiply
    1,488,862.26x = 2,232,313.32 × 981,877.38
  4. Step 4: Simplify right side
    1,488,862.26x = 2,191,857,953,980.70
  5. Step 5: Solve for x
    x = 2,191,857,953,980.70/1,488,862.26
  6. Step 6: Final answer
    x = 1,472,169.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.