Home / 1,377,388.50-1,900,443.12-804,099.24

Finding the Fourth Proportional to 1,377,388.50, 1,900,443.12 and 804,099.24

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Solution

The fourth proportional to 1,377,388.50, 1,900,443.12 and 804,099.24 is: 1,109,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,388.50 : 1,900,443.12 = 804,099.24 : x
  2. Step 2: Convert to fraction form
    1,377,388.50/1,900,443.12 = 804,099.24/x
  3. Step 3: Cross multiply
    1,377,388.50x = 1,900,443.12 × 804,099.24
  4. Step 4: Simplify right side
    1,377,388.50x = 1,528,144,868,455.23
  5. Step 5: Solve for x
    x = 1,528,144,868,455.23/1,377,388.50
  6. Step 6: Final answer
    x = 1,109,450.87

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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.