Home / 1,123,427.34-1,549,110.49-715,006.61

Finding the Fourth Proportional to 1,123,427.34, 1,549,110.49 and 715,006.61

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Solution

The fourth proportional to 1,123,427.34, 1,549,110.49 and 715,006.61 is: 985,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,427.34 : 1,549,110.49 = 715,006.61 : x
  2. Step 2: Convert to fraction form
    1,123,427.34/1,549,110.49 = 715,006.61/x
  3. Step 3: Cross multiply
    1,123,427.34x = 1,549,110.49 × 715,006.61
  4. Step 4: Simplify right side
    1,123,427.34x = 1,107,624,236,246.43
  5. Step 5: Solve for x
    x = 1,107,624,236,246.43/1,123,427.34
  6. Step 6: Final answer
    x = 985,933.13

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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.