Home / 1,242,221.06-1,714,248.66-690,933.04

Finding the Fourth Proportional to 1,242,221.06, 1,714,248.66 and 690,933.04

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Solution

The fourth proportional to 1,242,221.06, 1,714,248.66 and 690,933.04 is: 953,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,221.06 : 1,714,248.66 = 690,933.04 : x
  2. Step 2: Convert to fraction form
    1,242,221.06/1,714,248.66 = 690,933.04/x
  3. Step 3: Cross multiply
    1,242,221.06x = 1,714,248.66 × 690,933.04
  4. Step 4: Simplify right side
    1,242,221.06x = 1,184,431,036,275.10
  5. Step 5: Solve for x
    x = 1,184,431,036,275.10/1,242,221.06
  6. Step 6: Final answer
    x = 953,478.47

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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.