Home / 1,201,400.46-1,801,436.40-913,315.17

Finding the Fourth Proportional to 1,201,400.46, 1,801,436.40 and 913,315.17

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Solution

The fourth proportional to 1,201,400.46, 1,801,436.40 and 913,315.17 is: 1,369,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,400.46 : 1,801,436.40 = 913,315.17 : x
  2. Step 2: Convert to fraction form
    1,201,400.46/1,801,436.40 = 913,315.17/x
  3. Step 3: Cross multiply
    1,201,400.46x = 1,801,436.40 × 913,315.17
  4. Step 4: Simplify right side
    1,201,400.46x = 1,645,279,191,910.19
  5. Step 5: Solve for x
    x = 1,645,279,191,910.19/1,201,400.46
  6. Step 6: Final answer
    x = 1,369,467.76

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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.