Home / 1,231,996.32-1,700,182.80-723,065.76

Finding the Fourth Proportional to 1,231,996.32, 1,700,182.80 and 723,065.76

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Solution

The fourth proportional to 1,231,996.32, 1,700,182.80 and 723,065.76 is: 997,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,996.32 : 1,700,182.80 = 723,065.76 : x
  2. Step 2: Convert to fraction form
    1,231,996.32/1,700,182.80 = 723,065.76/x
  3. Step 3: Cross multiply
    1,231,996.32x = 1,700,182.80 × 723,065.76
  4. Step 4: Simplify right side
    1,231,996.32x = 1,229,343,968,420.93
  5. Step 5: Solve for x
    x = 1,229,343,968,420.93/1,231,996.32
  6. Step 6: Final answer
    x = 997,847.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.