Home / 1,108,905.10-1,661,024.85-922,281.10

Finding the Fourth Proportional to 1,108,905.10, 1,661,024.85 and 922,281.10

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Solution

The fourth proportional to 1,108,905.10, 1,661,024.85 and 922,281.10 is: 1,381,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,905.10 : 1,661,024.85 = 922,281.10 : x
  2. Step 2: Convert to fraction form
    1,108,905.10/1,661,024.85 = 922,281.10/x
  3. Step 3: Cross multiply
    1,108,905.10x = 1,661,024.85 × 922,281.10
  4. Step 4: Simplify right side
    1,108,905.10x = 1,531,931,825,785.34
  5. Step 5: Solve for x
    x = 1,531,931,825,785.34/1,108,905.10
  6. Step 6: Final answer
    x = 1,381,481.45

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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.