Home / 1,107,788.40-1,528,747.63-598,490.78

Finding the Fourth Proportional to 1,107,788.40, 1,528,747.63 and 598,490.78

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Solution

The fourth proportional to 1,107,788.40, 1,528,747.63 and 598,490.78 is: 825,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,788.40 : 1,528,747.63 = 598,490.78 : x
  2. Step 2: Convert to fraction form
    1,107,788.40/1,528,747.63 = 598,490.78/x
  3. Step 3: Cross multiply
    1,107,788.40x = 1,528,747.63 × 598,490.78
  4. Step 4: Simplify right side
    1,107,788.40x = 914,941,352,361.89
  5. Step 5: Solve for x
    x = 914,941,352,361.89/1,107,788.40
  6. Step 6: Final answer
    x = 825,917.07

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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.