Home / 971,143.80-1,456,715.70-868,792.20

Finding the Fourth Proportional to 971,143.80, 1,456,715.70 and 868,792.20

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Solution

The fourth proportional to 971,143.80, 1,456,715.70 and 868,792.20 is: 1,303,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,143.80 : 1,456,715.70 = 868,792.20 : x
  2. Step 2: Convert to fraction form
    971,143.80/1,456,715.70 = 868,792.20/x
  3. Step 3: Cross multiply
    971,143.80x = 1,456,715.70 × 868,792.20
  4. Step 4: Simplify right side
    971,143.80x = 1,265,583,237,777.54
  5. Step 5: Solve for x
    x = 1,265,583,237,777.54/971,143.80
  6. Step 6: Final answer
    x = 1,303,188.30

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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.