Home / 1,257,082.43-1,734,810.08-684,158.90

Finding the Fourth Proportional to 1,257,082.43, 1,734,810.08 and 684,158.90

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Solution

The fourth proportional to 1,257,082.43, 1,734,810.08 and 684,158.90 is: 944,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,082.43 : 1,734,810.08 = 684,158.90 : x
  2. Step 2: Convert to fraction form
    1,257,082.43/1,734,810.08 = 684,158.90/x
  3. Step 3: Cross multiply
    1,257,082.43x = 1,734,810.08 × 684,158.90
  4. Step 4: Simplify right side
    1,257,082.43x = 1,186,885,743,946.87
  5. Step 5: Solve for x
    x = 1,186,885,743,946.87/1,257,082.43
  6. Step 6: Final answer
    x = 944,159.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.