Home / 1,217,741.59-1,680,442.02-673,900.30

Finding the Fourth Proportional to 1,217,741.59, 1,680,442.02 and 673,900.30

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Solution

The fourth proportional to 1,217,741.59, 1,680,442.02 and 673,900.30 is: 929,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,741.59 : 1,680,442.02 = 673,900.30 : x
  2. Step 2: Convert to fraction form
    1,217,741.59/1,680,442.02 = 673,900.30/x
  3. Step 3: Cross multiply
    1,217,741.59x = 1,680,442.02 × 673,900.30
  4. Step 4: Simplify right side
    1,217,741.59x = 1,132,450,381,410.61
  5. Step 5: Solve for x
    x = 1,132,450,381,410.61/1,217,741.59
  6. Step 6: Final answer
    x = 929,959.52

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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.