Home / 1,788,169.70-2,682,254.55-722,663.30

Finding the Fourth Proportional to 1,788,169.70, 2,682,254.55 and 722,663.30

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Solution

The fourth proportional to 1,788,169.70, 2,682,254.55 and 722,663.30 is: 1,083,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,169.70 : 2,682,254.55 = 722,663.30 : x
  2. Step 2: Convert to fraction form
    1,788,169.70/2,682,254.55 = 722,663.30/x
  3. Step 3: Cross multiply
    1,788,169.70x = 2,682,254.55 × 722,663.30
  4. Step 4: Simplify right side
    1,788,169.70x = 1,938,366,924,543.02
  5. Step 5: Solve for x
    x = 1,938,366,924,543.02/1,788,169.70
  6. Step 6: Final answer
    x = 1,083,994.95

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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.