Home / 1,146,147.80-1,719,930.66-666,600.66

Finding the Fourth Proportional to 1,146,147.80, 1,719,930.66 and 666,600.66

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Solution

The fourth proportional to 1,146,147.80, 1,719,930.66 and 666,600.66 is: 1,000,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,147.80 : 1,719,930.66 = 666,600.66 : x
  2. Step 2: Convert to fraction form
    1,146,147.80/1,719,930.66 = 666,600.66/x
  3. Step 3: Cross multiply
    1,146,147.80x = 1,719,930.66 × 666,600.66
  4. Step 4: Simplify right side
    1,146,147.80x = 1,146,506,913,110.24
  5. Step 5: Solve for x
    x = 1,146,506,913,110.24/1,146,147.80
  6. Step 6: Final answer
    x = 1,000,313.33

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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.