Home / 1,565,173.13-2,159,934.11-867,498.43

Finding the Fourth Proportional to 1,565,173.13, 2,159,934.11 and 867,498.43

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Solution

The fourth proportional to 1,565,173.13, 2,159,934.11 and 867,498.43 is: 1,197,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,173.13 : 2,159,934.11 = 867,498.43 : x
  2. Step 2: Convert to fraction form
    1,565,173.13/2,159,934.11 = 867,498.43/x
  3. Step 3: Cross multiply
    1,565,173.13x = 2,159,934.11 × 867,498.43
  4. Step 4: Simplify right side
    1,565,173.13x = 1,873,739,455,408.77
  5. Step 5: Solve for x
    x = 1,873,739,455,408.77/1,565,173.13
  6. Step 6: Final answer
    x = 1,197,145.17

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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.