Home / 1,114,930.30-1,672,395.45-918,100.30

Finding the Fourth Proportional to 1,114,930.30, 1,672,395.45 and 918,100.30

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Solution

The fourth proportional to 1,114,930.30, 1,672,395.45 and 918,100.30 is: 1,377,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,930.30 : 1,672,395.45 = 918,100.30 : x
  2. Step 2: Convert to fraction form
    1,114,930.30/1,672,395.45 = 918,100.30/x
  3. Step 3: Cross multiply
    1,114,930.30x = 1,672,395.45 × 918,100.30
  4. Step 4: Simplify right side
    1,114,930.30x = 1,535,426,764,363.64
  5. Step 5: Solve for x
    x = 1,535,426,764,363.64/1,114,930.30
  6. Step 6: Final answer
    x = 1,377,150.45

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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.