Home / 1,282,238.64-1,769,585.28-730,967.48

Finding the Fourth Proportional to 1,282,238.64, 1,769,585.28 and 730,967.48

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Solution

The fourth proportional to 1,282,238.64, 1,769,585.28 and 730,967.48 is: 1,008,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,238.64 : 1,769,585.28 = 730,967.48 : x
  2. Step 2: Convert to fraction form
    1,282,238.64/1,769,585.28 = 730,967.48/x
  3. Step 3: Cross multiply
    1,282,238.64x = 1,769,585.28 × 730,967.48
  4. Step 4: Simplify right side
    1,282,238.64x = 1,293,509,292,766.69
  5. Step 5: Solve for x
    x = 1,293,509,292,766.69/1,282,238.64
  6. Step 6: Final answer
    x = 1,008,789.82

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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.