Home / 1,368,600.52-1,888,612.50-756,714.28

Finding the Fourth Proportional to 1,368,600.52, 1,888,612.50 and 756,714.28

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Solution

The fourth proportional to 1,368,600.52, 1,888,612.50 and 756,714.28 is: 1,044,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,600.52 : 1,888,612.50 = 756,714.28 : x
  2. Step 2: Convert to fraction form
    1,368,600.52/1,888,612.50 = 756,714.28/x
  3. Step 3: Cross multiply
    1,368,600.52x = 1,888,612.50 × 756,714.28
  4. Step 4: Simplify right side
    1,368,600.52x = 1,429,140,048,136.50
  5. Step 5: Solve for x
    x = 1,429,140,048,136.50/1,368,600.52
  6. Step 6: Final answer
    x = 1,044,234.62

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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.