Home / 1,267,067.92-1,748,539.80-686,276.61

Finding the Fourth Proportional to 1,267,067.92, 1,748,539.80 and 686,276.61

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Solution

The fourth proportional to 1,267,067.92, 1,748,539.80 and 686,276.61 is: 947,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,067.92 : 1,748,539.80 = 686,276.61 : x
  2. Step 2: Convert to fraction form
    1,267,067.92/1,748,539.80 = 686,276.61/x
  3. Step 3: Cross multiply
    1,267,067.92x = 1,748,539.80 × 686,276.61
  4. Step 4: Simplify right side
    1,267,067.92x = 1,199,981,966,394.08
  5. Step 5: Solve for x
    x = 1,199,981,966,394.08/1,267,067.92
  6. Step 6: Final answer
    x = 947,054.18

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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.