Home / 1,108,708.20-1,663,062.30-730,056.49

Finding the Fourth Proportional to 1,108,708.20, 1,663,062.30 and 730,056.49

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Solution

The fourth proportional to 1,108,708.20, 1,663,062.30 and 730,056.49 is: 1,095,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,708.20 : 1,663,062.30 = 730,056.49 : x
  2. Step 2: Convert to fraction form
    1,108,708.20/1,663,062.30 = 730,056.49/x
  3. Step 3: Cross multiply
    1,108,708.20x = 1,663,062.30 × 730,056.49
  4. Step 4: Simplify right side
    1,108,708.20x = 1,214,129,421,231.67
  5. Step 5: Solve for x
    x = 1,214,129,421,231.67/1,108,708.20
  6. Step 6: Final answer
    x = 1,095,084.73

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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.