Home / 1,488,715.13-2,233,072.71-647,266.88

Finding the Fourth Proportional to 1,488,715.13, 2,233,072.71 and 647,266.88

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Solution

The fourth proportional to 1,488,715.13, 2,233,072.71 and 647,266.88 is: 970,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,715.13 : 2,233,072.71 = 647,266.88 : x
  2. Step 2: Convert to fraction form
    1,488,715.13/2,233,072.71 = 647,266.88/x
  3. Step 3: Cross multiply
    1,488,715.13x = 2,233,072.71 × 647,266.88
  4. Step 4: Simplify right side
    1,488,715.13x = 1,445,393,994,649.48
  5. Step 5: Solve for x
    x = 1,445,393,994,649.48/1,488,715.13
  6. Step 6: Final answer
    x = 970,900.32

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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.