Home / 1,176,331.60-1,623,633.80-667,339.60

Finding the Fourth Proportional to 1,176,331.60, 1,623,633.80 and 667,339.60

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Solution

The fourth proportional to 1,176,331.60, 1,623,633.80 and 667,339.60 is: 921,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,331.60 : 1,623,633.80 = 667,339.60 : x
  2. Step 2: Convert to fraction form
    1,176,331.60/1,623,633.80 = 667,339.60/x
  3. Step 3: Cross multiply
    1,176,331.60x = 1,623,633.80 × 667,339.60
  4. Step 4: Simplify right side
    1,176,331.60x = 1,083,515,130,638.48
  5. Step 5: Solve for x
    x = 1,083,515,130,638.48/1,176,331.60
  6. Step 6: Final answer
    x = 921,096.68

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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.