Home / 1,109,956.32-1,663,937.91-921,627

Finding the Fourth Proportional to 1,109,956.32, 1,663,937.91 and 921,627

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Solution

The fourth proportional to 1,109,956.32, 1,663,937.91 and 921,627 is: 1,381,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,956.32 : 1,663,937.91 = 921,627 : x
  2. Step 2: Convert to fraction form
    1,109,956.32/1,663,937.91 = 921,627/x
  3. Step 3: Cross multiply
    1,109,956.32x = 1,663,937.91 × 921,627
  4. Step 4: Simplify right side
    1,109,956.32x = 1,533,530,104,179.57
  5. Step 5: Solve for x
    x = 1,533,530,104,179.57/1,109,956.32
  6. Step 6: Final answer
    x = 1,381,613.02

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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.