Home / 1,097,921.29-1,515,178.73-607,890.80

Finding the Fourth Proportional to 1,097,921.29, 1,515,178.73 and 607,890.80

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Solution

The fourth proportional to 1,097,921.29, 1,515,178.73 and 607,890.80 is: 838,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,921.29 : 1,515,178.73 = 607,890.80 : x
  2. Step 2: Convert to fraction form
    1,097,921.29/1,515,178.73 = 607,890.80/x
  3. Step 3: Cross multiply
    1,097,921.29x = 1,515,178.73 × 607,890.80
  4. Step 4: Simplify right side
    1,097,921.29x = 921,063,215,630.36
  5. Step 5: Solve for x
    x = 921,063,215,630.36/1,097,921.29
  6. Step 6: Final answer
    x = 838,915.53

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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.