Home / 1,078,766.64-1,618,871.64-447,680.40

Finding the Fourth Proportional to 1,078,766.64, 1,618,871.64 and 447,680.40

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Solution

The fourth proportional to 1,078,766.64, 1,618,871.64 and 447,680.40 is: 671,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,766.64 : 1,618,871.64 = 447,680.40 : x
  2. Step 2: Convert to fraction form
    1,078,766.64/1,618,871.64 = 447,680.40/x
  3. Step 3: Cross multiply
    1,078,766.64x = 1,618,871.64 × 447,680.40
  4. Step 4: Simplify right side
    1,078,766.64x = 724,737,103,343.86
  5. Step 5: Solve for x
    x = 724,737,103,343.86/1,078,766.64
  6. Step 6: Final answer
    x = 671,820.09

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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.