Home / 1,439,046.60-2,157,846.98-479,162.90

Finding the Fourth Proportional to 1,439,046.60, 2,157,846.98 and 479,162.90

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Solution

The fourth proportional to 1,439,046.60, 2,157,846.98 and 479,162.90 is: 718,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,046.60 : 2,157,846.98 = 479,162.90 : x
  2. Step 2: Convert to fraction form
    1,439,046.60/2,157,846.98 = 479,162.90/x
  3. Step 3: Cross multiply
    1,439,046.60x = 2,157,846.98 × 479,162.90
  4. Step 4: Simplify right side
    1,439,046.60x = 1,033,960,216,693.04
  5. Step 5: Solve for x
    x = 1,033,960,216,693.04/1,439,046.60
  6. Step 6: Final answer
    x = 718,503.64

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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.