Home / 1,422,423.16-2,131,387.60-1,154,876.52

Finding the Fourth Proportional to 1,422,423.16, 2,131,387.60 and 1,154,876.52

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Solution

The fourth proportional to 1,422,423.16, 2,131,387.60 and 1,154,876.52 is: 1,730,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,423.16 : 2,131,387.60 = 1,154,876.52 : x
  2. Step 2: Convert to fraction form
    1,422,423.16/2,131,387.60 = 1,154,876.52/x
  3. Step 3: Cross multiply
    1,422,423.16x = 2,131,387.60 × 1,154,876.52
  4. Step 4: Simplify right side
    1,422,423.16x = 2,461,489,480,715.02
  5. Step 5: Solve for x
    x = 2,461,489,480,715.02/1,422,423.16
  6. Step 6: Final answer
    x = 1,730,490.30

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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.