Home / 1,107,521.22-1,528,379.90-598,223.59

Finding the Fourth Proportional to 1,107,521.22, 1,528,379.90 and 598,223.59

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Solution

The fourth proportional to 1,107,521.22, 1,528,379.90 and 598,223.59 is: 825,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,521.22 : 1,528,379.90 = 598,223.59 : x
  2. Step 2: Convert to fraction form
    1,107,521.22/1,528,379.90 = 598,223.59/x
  3. Step 3: Cross multiply
    1,107,521.22x = 1,528,379.90 × 598,223.59
  4. Step 4: Simplify right side
    1,107,521.22x = 914,312,910,661.84
  5. Step 5: Solve for x
    x = 914,312,910,661.84/1,107,521.22
  6. Step 6: Final answer
    x = 825,548.89

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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.