Home / 971,215.30-1,456,822.95-912,117.70

Finding the Fourth Proportional to 971,215.30, 1,456,822.95 and 912,117.70

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Solution

The fourth proportional to 971,215.30, 1,456,822.95 and 912,117.70 is: 1,368,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,215.30 : 1,456,822.95 = 912,117.70 : x
  2. Step 2: Convert to fraction form
    971,215.30/1,456,822.95 = 912,117.70/x
  3. Step 3: Cross multiply
    971,215.30x = 1,456,822.95 × 912,117.70
  4. Step 4: Simplify right side
    971,215.30x = 1,328,793,998,461.21
  5. Step 5: Solve for x
    x = 1,328,793,998,461.21/971,215.30
  6. Step 6: Final answer
    x = 1,368,176.55

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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.