Home / 1,293,695.55-1,785,145.01-742,382.92

Finding the Fourth Proportional to 1,293,695.55, 1,785,145.01 and 742,382.92

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Solution

The fourth proportional to 1,293,695.55, 1,785,145.01 and 742,382.92 is: 1,024,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,695.55 : 1,785,145.01 = 742,382.92 : x
  2. Step 2: Convert to fraction form
    1,293,695.55/1,785,145.01 = 742,382.92/x
  3. Step 3: Cross multiply
    1,293,695.55x = 1,785,145.01 × 742,382.92
  4. Step 4: Simplify right side
    1,293,695.55x = 1,325,261,165,147.23
  5. Step 5: Solve for x
    x = 1,325,261,165,147.23/1,293,695.55
  6. Step 6: Final answer
    x = 1,024,399.57

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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.