Home / 1,439,051.60-2,157,854.48-479,167.90

Finding the Fourth Proportional to 1,439,051.60, 2,157,854.48 and 479,167.90

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Solution

The fourth proportional to 1,439,051.60, 2,157,854.48 and 479,167.90 is: 718,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,051.60 : 2,157,854.48 = 479,167.90 : x
  2. Step 2: Convert to fraction form
    1,439,051.60/2,157,854.48 = 479,167.90/x
  3. Step 3: Cross multiply
    1,439,051.60x = 2,157,854.48 × 479,167.90
  4. Step 4: Simplify right side
    1,439,051.60x = 1,033,974,599,687.19
  5. Step 5: Solve for x
    x = 1,033,974,599,687.19/1,439,051.60
  6. Step 6: Final answer
    x = 718,511.14

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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.