Home / 918,967.33-1,378,269.28-873,396.91

Finding the Fourth Proportional to 918,967.33, 1,378,269.28 and 873,396.91

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Solution

The fourth proportional to 918,967.33, 1,378,269.28 and 873,396.91 is: 1,309,922.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,967.33 : 1,378,269.28 = 873,396.91 : x
  2. Step 2: Convert to fraction form
    918,967.33/1,378,269.28 = 873,396.91/x
  3. Step 3: Cross multiply
    918,967.33x = 1,378,269.28 × 873,396.91
  4. Step 4: Simplify right side
    918,967.33x = 1,203,776,125,932.94
  5. Step 5: Solve for x
    x = 1,203,776,125,932.94/918,967.33
  6. Step 6: Final answer
    x = 1,309,922.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.