Home / 971,200.30-1,456,800.45-912,102.70

Finding the Fourth Proportional to 971,200.30, 1,456,800.45 and 912,102.70

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Solution

The fourth proportional to 971,200.30, 1,456,800.45 and 912,102.70 is: 1,368,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,200.30 : 1,456,800.45 = 912,102.70 : x
  2. Step 2: Convert to fraction form
    971,200.30/1,456,800.45 = 912,102.70/x
  3. Step 3: Cross multiply
    971,200.30x = 1,456,800.45 × 912,102.70
  4. Step 4: Simplify right side
    971,200.30x = 1,328,751,623,806.21
  5. Step 5: Solve for x
    x = 1,328,751,623,806.21/971,200.30
  6. Step 6: Final answer
    x = 1,368,154.05

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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.