Home / 1,420,008.60-2,131,568.10-888,130.20

Finding the Fourth Proportional to 1,420,008.60, 2,131,568.10 and 888,130.20

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Solution

The fourth proportional to 1,420,008.60, 2,131,568.10 and 888,130.20 is: 1,333,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,008.60 : 2,131,568.10 = 888,130.20 : x
  2. Step 2: Convert to fraction form
    1,420,008.60/2,131,568.10 = 888,130.20/x
  3. Step 3: Cross multiply
    1,420,008.60x = 2,131,568.10 × 888,130.20
  4. Step 4: Simplify right side
    1,420,008.60x = 1,893,110,002,966.62
  5. Step 5: Solve for x
    x = 1,893,110,002,966.62/1,420,008.60
  6. Step 6: Final answer
    x = 1,333,167.98

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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.