Home / 1,445,333.20-2,167,439.06-771,046.46

Finding the Fourth Proportional to 1,445,333.20, 2,167,439.06 and 771,046.46

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Solution

The fourth proportional to 1,445,333.20, 2,167,439.06 and 771,046.46 is: 1,156,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,333.20 : 2,167,439.06 = 771,046.46 : x
  2. Step 2: Convert to fraction form
    1,445,333.20/2,167,439.06 = 771,046.46/x
  3. Step 3: Cross multiply
    1,445,333.20x = 2,167,439.06 × 771,046.46
  4. Step 4: Simplify right side
    1,445,333.20x = 1,671,196,214,478.73
  5. Step 5: Solve for x
    x = 1,671,196,214,478.73/1,445,333.20
  6. Step 6: Final answer
    x = 1,156,270.55

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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.