Home / 1,023,111.54-1,532,467.89-830,118.78

Finding the Fourth Proportional to 1,023,111.54, 1,532,467.89 and 830,118.78

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Solution

The fourth proportional to 1,023,111.54, 1,532,467.89 and 830,118.78 is: 1,243,393.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,111.54 : 1,532,467.89 = 830,118.78 : x
  2. Step 2: Convert to fraction form
    1,023,111.54/1,532,467.89 = 830,118.78/x
  3. Step 3: Cross multiply
    1,023,111.54x = 1,532,467.89 × 830,118.78
  4. Step 4: Simplify right side
    1,023,111.54x = 1,272,130,375,235.97
  5. Step 5: Solve for x
    x = 1,272,130,375,235.97/1,023,111.54
  6. Step 6: Final answer
    x = 1,243,393.63

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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.