Home / 1,680,082.56-2,318,569.92-916,178.04

Finding the Fourth Proportional to 1,680,082.56, 2,318,569.92 and 916,178.04

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Solution

The fourth proportional to 1,680,082.56, 2,318,569.92 and 916,178.04 is: 1,264,356.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,082.56 : 2,318,569.92 = 916,178.04 : x
  2. Step 2: Convert to fraction form
    1,680,082.56/2,318,569.92 = 916,178.04/x
  3. Step 3: Cross multiply
    1,680,082.56x = 2,318,569.92 × 916,178.04
  4. Step 4: Simplify right side
    1,680,082.56x = 2,124,222,844,908.56
  5. Step 5: Solve for x
    x = 2,124,222,844,908.56/1,680,082.56
  6. Step 6: Final answer
    x = 1,264,356.23

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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.