Home / 1,399,437.24-1,931,819.27-940,817.81

Finding the Fourth Proportional to 1,399,437.24, 1,931,819.27 and 940,817.81

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Solution

The fourth proportional to 1,399,437.24, 1,931,819.27 and 940,817.81 is: 1,298,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,437.24 : 1,931,819.27 = 940,817.81 : x
  2. Step 2: Convert to fraction form
    1,399,437.24/1,931,819.27 = 940,817.81/x
  3. Step 3: Cross multiply
    1,399,437.24x = 1,931,819.27 × 940,817.81
  4. Step 4: Simplify right side
    1,399,437.24x = 1,817,489,960,554.01
  5. Step 5: Solve for x
    x = 1,817,489,960,554.01/1,399,437.24
  6. Step 6: Final answer
    x = 1,298,729.17

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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.