Home / 971,211.40-1,456,817.10-747,003.40

Finding the Fourth Proportional to 971,211.40, 1,456,817.10 and 747,003.40

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Solution

The fourth proportional to 971,211.40, 1,456,817.10 and 747,003.40 is: 1,120,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,211.40 : 1,456,817.10 = 747,003.40 : x
  2. Step 2: Convert to fraction form
    971,211.40/1,456,817.10 = 747,003.40/x
  3. Step 3: Cross multiply
    971,211.40x = 1,456,817.10 × 747,003.40
  4. Step 4: Simplify right side
    971,211.40x = 1,088,247,326,878.14
  5. Step 5: Solve for x
    x = 1,088,247,326,878.14/971,211.40
  6. Step 6: Final answer
    x = 1,120,505.10

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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.