Home / 1,108,180.32-1,662,364.79-349,818.90

Finding the Fourth Proportional to 1,108,180.32, 1,662,364.79 and 349,818.90

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Solution

The fourth proportional to 1,108,180.32, 1,662,364.79 and 349,818.90 is: 524,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,180.32 : 1,662,364.79 = 349,818.90 : x
  2. Step 2: Convert to fraction form
    1,108,180.32/1,662,364.79 = 349,818.90/x
  3. Step 3: Cross multiply
    1,108,180.32x = 1,662,364.79 × 349,818.90
  4. Step 4: Simplify right side
    1,108,180.32x = 581,526,620,487.44
  5. Step 5: Solve for x
    x = 581,526,620,487.44/1,108,180.32
  6. Step 6: Final answer
    x = 524,758.12

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Double scale
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1.5x scale

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.