Home / 1,293,694.55-1,785,143.63-742,381.92

Finding the Fourth Proportional to 1,293,694.55, 1,785,143.63 and 742,381.92

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Solution

The fourth proportional to 1,293,694.55, 1,785,143.63 and 742,381.92 is: 1,024,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,694.55 : 1,785,143.63 = 742,381.92 : x
  2. Step 2: Convert to fraction form
    1,293,694.55/1,785,143.63 = 742,381.92/x
  3. Step 3: Cross multiply
    1,293,694.55x = 1,785,143.63 × 742,381.92
  4. Step 4: Simplify right side
    1,293,694.55x = 1,325,258,357,371.12
  5. Step 5: Solve for x
    x = 1,325,258,357,371.12/1,293,694.55
  6. Step 6: Final answer
    x = 1,024,398.20

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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.