Home / 1,146,150.70-1,720,003.65-745,816.30

Finding the Fourth Proportional to 1,146,150.70, 1,720,003.65 and 745,816.30

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Solution

The fourth proportional to 1,146,150.70, 1,720,003.65 and 745,816.30 is: 1,119,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,150.70 : 1,720,003.65 = 745,816.30 : x
  2. Step 2: Convert to fraction form
    1,146,150.70/1,720,003.65 = 745,816.30/x
  3. Step 3: Cross multiply
    1,146,150.70x = 1,720,003.65 × 745,816.30
  4. Step 4: Simplify right side
    1,146,150.70x = 1,282,806,758,229.50
  5. Step 5: Solve for x
    x = 1,282,806,758,229.50/1,146,150.70
  6. Step 6: Final answer
    x = 1,119,230.45

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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.