Home / 1,381,719.09-2,071,734.40-662,280.94

Finding the Fourth Proportional to 1,381,719.09, 2,071,734.40 and 662,280.94

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Solution

The fourth proportional to 1,381,719.09, 2,071,734.40 and 662,280.94 is: 993,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,719.09 : 2,071,734.40 = 662,280.94 : x
  2. Step 2: Convert to fraction form
    1,381,719.09/2,071,734.40 = 662,280.94/x
  3. Step 3: Cross multiply
    1,381,719.09x = 2,071,734.40 × 662,280.94
  4. Step 4: Simplify right side
    1,381,719.09x = 1,372,070,209,279.86
  5. Step 5: Solve for x
    x = 1,372,070,209,279.86/1,381,719.09
  6. Step 6: Final answer
    x = 993,016.75

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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.