Home / 869,074.80-1,303,612.20-834,082.80

Finding the Fourth Proportional to 869,074.80, 1,303,612.20 and 834,082.80

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Solution

The fourth proportional to 869,074.80, 1,303,612.20 and 834,082.80 is: 1,251,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,074.80 : 1,303,612.20 = 834,082.80 : x
  2. Step 2: Convert to fraction form
    869,074.80/1,303,612.20 = 834,082.80/x
  3. Step 3: Cross multiply
    869,074.80x = 1,303,612.20 × 834,082.80
  4. Step 4: Simplify right side
    869,074.80x = 1,087,320,513,890.16
  5. Step 5: Solve for x
    x = 1,087,320,513,890.16/869,074.80
  6. Step 6: Final answer
    x = 1,251,124.20

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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.