Home / 1,500,255.46-2,070,355.04-811,927.92

Finding the Fourth Proportional to 1,500,255.46, 2,070,355.04 and 811,927.92

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Solution

The fourth proportional to 1,500,255.46, 2,070,355.04 and 811,927.92 is: 1,120,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,255.46 : 2,070,355.04 = 811,927.92 : x
  2. Step 2: Convert to fraction form
    1,500,255.46/2,070,355.04 = 811,927.92/x
  3. Step 3: Cross multiply
    1,500,255.46x = 2,070,355.04 × 811,927.92
  4. Step 4: Simplify right side
    1,500,255.46x = 1,680,979,068,037.64
  5. Step 5: Solve for x
    x = 1,680,979,068,037.64/1,500,255.46
  6. Step 6: Final answer
    x = 1,120,461.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.