Home / 1,042,636.70-1,566,287.85-1,000,127.90

Finding the Fourth Proportional to 1,042,636.70, 1,566,287.85 and 1,000,127.90

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Solution

The fourth proportional to 1,042,636.70, 1,566,287.85 and 1,000,127.90 is: 1,502,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,636.70 : 1,566,287.85 = 1,000,127.90 : x
  2. Step 2: Convert to fraction form
    1,042,636.70/1,566,287.85 = 1,000,127.90/x
  3. Step 3: Cross multiply
    1,042,636.70x = 1,566,287.85 × 1,000,127.90
  4. Step 4: Simplify right side
    1,042,636.70x = 1,566,488,178,216.02
  5. Step 5: Solve for x
    x = 1,566,488,178,216.02/1,042,636.70
  6. Step 6: Final answer
    x = 1,502,429.54

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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.