Home / 996,123.88-1,374,654.18-543,424.36

Finding the Fourth Proportional to 996,123.88, 1,374,654.18 and 543,424.36

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Solution

The fourth proportional to 996,123.88, 1,374,654.18 and 543,424.36 is: 749,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,123.88 : 1,374,654.18 = 543,424.36 : x
  2. Step 2: Convert to fraction form
    996,123.88/1,374,654.18 = 543,424.36/x
  3. Step 3: Cross multiply
    996,123.88x = 1,374,654.18 × 543,424.36
  4. Step 4: Simplify right side
    996,123.88x = 747,020,567,987.83
  5. Step 5: Solve for x
    x = 747,020,567,987.83/996,123.88
  6. Step 6: Final answer
    x = 749,927.38

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1.5x scale

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.