Home / 1,071,392.30-1,478,563.98-587,974.88

Finding the Fourth Proportional to 1,071,392.30, 1,478,563.98 and 587,974.88

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Solution

The fourth proportional to 1,071,392.30, 1,478,563.98 and 587,974.88 is: 811,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,392.30 : 1,478,563.98 = 587,974.88 : x
  2. Step 2: Convert to fraction form
    1,071,392.30/1,478,563.98 = 587,974.88/x
  3. Step 3: Cross multiply
    1,071,392.30x = 1,478,563.98 × 587,974.88
  4. Step 4: Simplify right side
    1,071,392.30x = 869,358,480,204.33
  5. Step 5: Solve for x
    x = 869,358,480,204.33/1,071,392.30
  6. Step 6: Final answer
    x = 811,428.72

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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.