Home / 1,067,061.60-1,472,742-685,565.28

Finding the Fourth Proportional to 1,067,061.60, 1,472,742 and 685,565.28

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Solution

The fourth proportional to 1,067,061.60, 1,472,742 and 685,565.28 is: 946,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,061.60 : 1,472,742 = 685,565.28 : x
  2. Step 2: Convert to fraction form
    1,067,061.60/1,472,742 = 685,565.28/x
  3. Step 3: Cross multiply
    1,067,061.60x = 1,472,742 × 685,565.28
  4. Step 4: Simplify right side
    1,067,061.60x = 1,009,660,781,597.76
  5. Step 5: Solve for x
    x = 1,009,660,781,597.76/1,067,061.60
  6. Step 6: Final answer
    x = 946,206.65

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1.5x scale

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.