Home / 1,408,879.28-1,944,253.40-805,280.24

Finding the Fourth Proportional to 1,408,879.28, 1,944,253.40 and 805,280.24

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Solution

The fourth proportional to 1,408,879.28, 1,944,253.40 and 805,280.24 is: 1,111,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,879.28 : 1,944,253.40 = 805,280.24 : x
  2. Step 2: Convert to fraction form
    1,408,879.28/1,944,253.40 = 805,280.24/x
  3. Step 3: Cross multiply
    1,408,879.28x = 1,944,253.40 × 805,280.24
  4. Step 4: Simplify right side
    1,408,879.28x = 1,565,668,844,572.82
  5. Step 5: Solve for x
    x = 1,565,668,844,572.82/1,408,879.28
  6. Step 6: Final answer
    x = 1,111,286.73

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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.