Home / 1,381,340.96-2,071,466.88-671,158.88

Finding the Fourth Proportional to 1,381,340.96, 2,071,466.88 and 671,158.88

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Solution

The fourth proportional to 1,381,340.96, 2,071,466.88 and 671,158.88 is: 1,006,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,340.96 : 2,071,466.88 = 671,158.88 : x
  2. Step 2: Convert to fraction form
    1,381,340.96/2,071,466.88 = 671,158.88/x
  3. Step 3: Cross multiply
    1,381,340.96x = 2,071,466.88 × 671,158.88
  4. Step 4: Simplify right side
    1,381,340.96x = 1,390,283,391,137.89
  5. Step 5: Solve for x
    x = 1,390,283,391,137.89/1,381,340.96
  6. Step 6: Final answer
    x = 1,006,473.73

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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.