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Finding the Fourth Proportional to 1,099,931.52, 1,649,867.04 and 351,966.72

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Solution

The fourth proportional to 1,099,931.52, 1,649,867.04 and 351,966.72 is: 527,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,931.52 : 1,649,867.04 = 351,966.72 : x
  2. Step 2: Convert to fraction form
    1,099,931.52/1,649,867.04 = 351,966.72/x
  3. Step 3: Cross multiply
    1,099,931.52x = 1,649,867.04 × 351,966.72
  4. Step 4: Simplify right side
    1,099,931.52x = 580,698,290,504.91
  5. Step 5: Solve for x
    x = 580,698,290,504.91/1,099,931.52
  6. Step 6: Final answer
    x = 527,940.40

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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.