Home / 1,347,022.80-1,859,132.28-803,193.60

Finding the Fourth Proportional to 1,347,022.80, 1,859,132.28 and 803,193.60

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Solution

The fourth proportional to 1,347,022.80, 1,859,132.28 and 803,193.60 is: 1,108,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,022.80 : 1,859,132.28 = 803,193.60 : x
  2. Step 2: Convert to fraction form
    1,347,022.80/1,859,132.28 = 803,193.60/x
  3. Step 3: Cross multiply
    1,347,022.80x = 1,859,132.28 × 803,193.60
  4. Step 4: Simplify right side
    1,347,022.80x = 1,493,243,148,849.41
  5. Step 5: Solve for x
    x = 1,493,243,148,849.41/1,347,022.80
  6. Step 6: Final answer
    x = 1,108,550.76

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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.