Home / 1,488,175.74-2,232,214.20-646,728.30

Finding the Fourth Proportional to 1,488,175.74, 2,232,214.20 and 646,728.30

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Solution

The fourth proportional to 1,488,175.74, 2,232,214.20 and 646,728.30 is: 970,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,175.74 : 2,232,214.20 = 646,728.30 : x
  2. Step 2: Convert to fraction form
    1,488,175.74/2,232,214.20 = 646,728.30/x
  3. Step 3: Cross multiply
    1,488,175.74x = 2,232,214.20 × 646,728.30
  4. Step 4: Simplify right side
    1,488,175.74x = 1,443,636,094,801.86
  5. Step 5: Solve for x
    x = 1,443,636,094,801.86/1,488,175.74
  6. Step 6: Final answer
    x = 970,070.98

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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.