Home / 1,343,789.58-1,854,432.20-731,940.45

Finding the Fourth Proportional to 1,343,789.58, 1,854,432.20 and 731,940.45

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Solution

The fourth proportional to 1,343,789.58, 1,854,432.20 and 731,940.45 is: 1,010,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,789.58 : 1,854,432.20 = 731,940.45 : x
  2. Step 2: Convert to fraction form
    1,343,789.58/1,854,432.20 = 731,940.45/x
  3. Step 3: Cross multiply
    1,343,789.58x = 1,854,432.20 × 731,940.45
  4. Step 4: Simplify right side
    1,343,789.58x = 1,357,333,938,962.49
  5. Step 5: Solve for x
    x = 1,357,333,938,962.49/1,343,789.58
  6. Step 6: Final answer
    x = 1,010,079.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.