Home / 1,455,262.80-2,182,116.60-612,862.80

Finding the Fourth Proportional to 1,455,262.80, 2,182,116.60 and 612,862.80

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Solution

The fourth proportional to 1,455,262.80, 2,182,116.60 and 612,862.80 is: 918,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,262.80 : 2,182,116.60 = 612,862.80 : x
  2. Step 2: Convert to fraction form
    1,455,262.80/2,182,116.60 = 612,862.80/x
  3. Step 3: Cross multiply
    1,455,262.80x = 2,182,116.60 × 612,862.80
  4. Step 4: Simplify right side
    1,455,262.80x = 1,337,338,089,402.48
  5. Step 5: Solve for x
    x = 1,337,338,089,402.48/1,455,262.80
  6. Step 6: Final answer
    x = 918,966.73

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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.