Home / 1,403,531.33-2,105,373.49-443,915.22

Finding the Fourth Proportional to 1,403,531.33, 2,105,373.49 and 443,915.22

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Solution

The fourth proportional to 1,403,531.33, 2,105,373.49 and 443,915.22 is: 665,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,531.33 : 2,105,373.49 = 443,915.22 : x
  2. Step 2: Convert to fraction form
    1,403,531.33/2,105,373.49 = 443,915.22/x
  3. Step 3: Cross multiply
    1,403,531.33x = 2,105,373.49 × 443,915.22
  4. Step 4: Simplify right side
    1,403,531.33x = 934,607,335,995.52
  5. Step 5: Solve for x
    x = 934,607,335,995.52/1,403,531.33
  6. Step 6: Final answer
    x = 665,897.02

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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.