Home / 1,270,422.15-1,752,412.35-753,835.66

Finding the Fourth Proportional to 1,270,422.15, 1,752,412.35 and 753,835.66

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Solution

The fourth proportional to 1,270,422.15, 1,752,412.35 and 753,835.66 is: 1,039,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,422.15 : 1,752,412.35 = 753,835.66 : x
  2. Step 2: Convert to fraction form
    1,270,422.15/1,752,412.35 = 753,835.66/x
  3. Step 3: Cross multiply
    1,270,422.15x = 1,752,412.35 × 753,835.66
  4. Step 4: Simplify right side
    1,270,422.15x = 1,321,030,922,397.08
  5. Step 5: Solve for x
    x = 1,321,030,922,397.08/1,270,422.15
  6. Step 6: Final answer
    x = 1,039,836.19

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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.