Home / 1,521,643.94-2,099,842.92-842,565.86

Finding the Fourth Proportional to 1,521,643.94, 2,099,842.92 and 842,565.86

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Solution

The fourth proportional to 1,521,643.94, 2,099,842.92 and 842,565.86 is: 1,162,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,643.94 : 2,099,842.92 = 842,565.86 : x
  2. Step 2: Convert to fraction form
    1,521,643.94/2,099,842.92 = 842,565.86/x
  3. Step 3: Cross multiply
    1,521,643.94x = 2,099,842.92 × 842,565.86
  4. Step 4: Simplify right side
    1,521,643.94x = 1,769,255,955,754.71
  5. Step 5: Solve for x
    x = 1,769,255,955,754.71/1,521,643.94
  6. Step 6: Final answer
    x = 1,162,726.65

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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.