Home / 1,108,222.80-1,662,428.52-349,861.40

Finding the Fourth Proportional to 1,108,222.80, 1,662,428.52 and 349,861.40

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Solution

The fourth proportional to 1,108,222.80, 1,662,428.52 and 349,861.40 is: 524,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,222.80 : 1,662,428.52 = 349,861.40 : x
  2. Step 2: Convert to fraction form
    1,108,222.80/1,662,428.52 = 349,861.40/x
  3. Step 3: Cross multiply
    1,108,222.80x = 1,662,428.52 × 349,861.40
  4. Step 4: Simplify right side
    1,108,222.80x = 581,619,569,407.13
  5. Step 5: Solve for x
    x = 581,619,569,407.13/1,108,222.80
  6. Step 6: Final answer
    x = 524,821.88

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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.