Home / 1,113,466.78-1,669,382.25-354,871.72

Finding the Fourth Proportional to 1,113,466.78, 1,669,382.25 and 354,871.72

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Solution

The fourth proportional to 1,113,466.78, 1,669,382.25 and 354,871.72 is: 532,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,466.78 : 1,669,382.25 = 354,871.72 : x
  2. Step 2: Convert to fraction form
    1,113,466.78/1,669,382.25 = 354,871.72/x
  3. Step 3: Cross multiply
    1,113,466.78x = 1,669,382.25 × 354,871.72
  4. Step 4: Simplify right side
    1,113,466.78x = 592,416,550,394.97
  5. Step 5: Solve for x
    x = 592,416,550,394.97/1,113,466.78
  6. Step 6: Final answer
    x = 532,046.90

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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.