Home / 1,557,145.93-2,148,861.60-878,082.61

Finding the Fourth Proportional to 1,557,145.93, 2,148,861.60 and 878,082.61

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Solution

The fourth proportional to 1,557,145.93, 2,148,861.60 and 878,082.61 is: 1,211,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,145.93 : 2,148,861.60 = 878,082.61 : x
  2. Step 2: Convert to fraction form
    1,557,145.93/2,148,861.60 = 878,082.61/x
  3. Step 3: Cross multiply
    1,557,145.93x = 2,148,861.60 × 878,082.61
  4. Step 4: Simplify right side
    1,557,145.93x = 1,886,878,002,256.78
  5. Step 5: Solve for x
    x = 1,886,878,002,256.78/1,557,145.93
  6. Step 6: Final answer
    x = 1,211,754.12

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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.