Home / 1,155,143.24-1,740,513.01-957,145.59

Finding the Fourth Proportional to 1,155,143.24, 1,740,513.01 and 957,145.59

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Solution

The fourth proportional to 1,155,143.24, 1,740,513.01 and 957,145.59 is: 1,442,179.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,143.24 : 1,740,513.01 = 957,145.59 : x
  2. Step 2: Convert to fraction form
    1,155,143.24/1,740,513.01 = 957,145.59/x
  3. Step 3: Cross multiply
    1,155,143.24x = 1,740,513.01 × 957,145.59
  4. Step 4: Simplify right side
    1,155,143.24x = 1,665,924,348,721.16
  5. Step 5: Solve for x
    x = 1,665,924,348,721.16/1,155,143.24
  6. Step 6: Final answer
    x = 1,442,179.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.