Home / 1,158,233.97-1,598,421.87-668,021.18

Finding the Fourth Proportional to 1,158,233.97, 1,598,421.87 and 668,021.18

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Solution

The fourth proportional to 1,158,233.97, 1,598,421.87 and 668,021.18 is: 921,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,233.97 : 1,598,421.87 = 668,021.18 : x
  2. Step 2: Convert to fraction form
    1,158,233.97/1,598,421.87 = 668,021.18/x
  3. Step 3: Cross multiply
    1,158,233.97x = 1,598,421.87 × 668,021.18
  4. Step 4: Simplify right side
    1,158,233.97x = 1,067,779,663,735.21
  5. Step 5: Solve for x
    x = 1,067,779,663,735.21/1,158,233.97
  6. Step 6: Final answer
    x = 921,903.25

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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.