Home / 1,478,077.60-2,217,116.40-531,479.20

Finding the Fourth Proportional to 1,478,077.60, 2,217,116.40 and 531,479.20

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Solution

The fourth proportional to 1,478,077.60, 2,217,116.40 and 531,479.20 is: 797,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,077.60 : 2,217,116.40 = 531,479.20 : x
  2. Step 2: Convert to fraction form
    1,478,077.60/2,217,116.40 = 531,479.20/x
  3. Step 3: Cross multiply
    1,478,077.60x = 2,217,116.40 × 531,479.20
  4. Step 4: Simplify right side
    1,478,077.60x = 1,178,351,250,578.88
  5. Step 5: Solve for x
    x = 1,178,351,250,578.88/1,478,077.60
  6. Step 6: Final answer
    x = 797,218.80

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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.