Home / 1,565,175.39-2,159,937.21-867,500.69

Finding the Fourth Proportional to 1,565,175.39, 2,159,937.21 and 867,500.69

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Solution

The fourth proportional to 1,565,175.39, 2,159,937.21 and 867,500.69 is: 1,197,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,175.39 : 2,159,937.21 = 867,500.69 : x
  2. Step 2: Convert to fraction form
    1,565,175.39/2,159,937.21 = 867,500.69/x
  3. Step 3: Cross multiply
    1,565,175.39x = 2,159,937.21 × 867,500.69
  4. Step 4: Simplify right side
    1,565,175.39x = 1,873,747,009,231.99
  5. Step 5: Solve for x
    x = 1,873,747,009,231.99/1,565,175.39
  6. Step 6: Final answer
    x = 1,197,148.27

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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.