Home / 1,108,923.10-1,663,384.65-919,966.30

Finding the Fourth Proportional to 1,108,923.10, 1,663,384.65 and 919,966.30

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Solution

The fourth proportional to 1,108,923.10, 1,663,384.65 and 919,966.30 is: 1,379,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,923.10 : 1,663,384.65 = 919,966.30 : x
  2. Step 2: Convert to fraction form
    1,108,923.10/1,663,384.65 = 919,966.30/x
  3. Step 3: Cross multiply
    1,108,923.10x = 1,663,384.65 × 919,966.30
  4. Step 4: Simplify right side
    1,108,923.10x = 1,530,257,821,937.30
  5. Step 5: Solve for x
    x = 1,530,257,821,937.30/1,108,923.10
  6. Step 6: Final answer
    x = 1,379,949.45

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Similar ratio
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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.