Home / 1,387,390.20-2,079,530.10-588,535.80

Finding the Fourth Proportional to 1,387,390.20, 2,079,530.10 and 588,535.80

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Solution

The fourth proportional to 1,387,390.20, 2,079,530.10 and 588,535.80 is: 882,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,390.20 : 2,079,530.10 = 588,535.80 : x
  2. Step 2: Convert to fraction form
    1,387,390.20/2,079,530.10 = 588,535.80/x
  3. Step 3: Cross multiply
    1,387,390.20x = 2,079,530.10 × 588,535.80
  4. Step 4: Simplify right side
    1,387,390.20x = 1,223,877,911,027.58
  5. Step 5: Solve for x
    x = 1,223,877,911,027.58/1,387,390.20
  6. Step 6: Final answer
    x = 882,143.98

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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.