Home / 1,129,575.92-1,694,312.04-381,628.40

Finding the Fourth Proportional to 1,129,575.92, 1,694,312.04 and 381,628.40

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Solution

The fourth proportional to 1,129,575.92, 1,694,312.04 and 381,628.40 is: 572,425.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,575.92 : 1,694,312.04 = 381,628.40 : x
  2. Step 2: Convert to fraction form
    1,129,575.92/1,694,312.04 = 381,628.40/x
  3. Step 3: Cross multiply
    1,129,575.92x = 1,694,312.04 × 381,628.40
  4. Step 4: Simplify right side
    1,129,575.92x = 646,597,592,925.94
  5. Step 5: Solve for x
    x = 646,597,592,925.94/1,129,575.92
  6. Step 6: Final answer
    x = 572,425.09

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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.