Home / 1,138,424.86-1,707,932.40-605,507.50

Finding the Fourth Proportional to 1,138,424.86, 1,707,932.40 and 605,507.50

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Solution

The fourth proportional to 1,138,424.86, 1,707,932.40 and 605,507.50 is: 908,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,424.86 : 1,707,932.40 = 605,507.50 : x
  2. Step 2: Convert to fraction form
    1,138,424.86/1,707,932.40 = 605,507.50/x
  3. Step 3: Cross multiply
    1,138,424.86x = 1,707,932.40 × 605,507.50
  4. Step 4: Simplify right side
    1,138,424.86x = 1,034,165,877,693
  5. Step 5: Solve for x
    x = 1,034,165,877,693/1,138,424.86
  6. Step 6: Final answer
    x = 908,418.21

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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.