Home / 1,138,121.32-1,707,366.30-349,969

Finding the Fourth Proportional to 1,138,121.32, 1,707,366.30 and 349,969

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Solution

The fourth proportional to 1,138,121.32, 1,707,366.30 and 349,969 is: 525,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,121.32 : 1,707,366.30 = 349,969 : x
  2. Step 2: Convert to fraction form
    1,138,121.32/1,707,366.30 = 349,969/x
  3. Step 3: Cross multiply
    1,138,121.32x = 1,707,366.30 × 349,969
  4. Step 4: Simplify right side
    1,138,121.32x = 597,525,276,644.70
  5. Step 5: Solve for x
    x = 597,525,276,644.70/1,138,121.32
  6. Step 6: Final answer
    x = 525,010.18

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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.