Home / 1,173,292.13-1,619,143.20-636,748.13

Finding the Fourth Proportional to 1,173,292.13, 1,619,143.20 and 636,748.13

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Solution

The fourth proportional to 1,173,292.13, 1,619,143.20 and 636,748.13 is: 878,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,292.13 : 1,619,143.20 = 636,748.13 : x
  2. Step 2: Convert to fraction form
    1,173,292.13/1,619,143.20 = 636,748.13/x
  3. Step 3: Cross multiply
    1,173,292.13x = 1,619,143.20 × 636,748.13
  4. Step 4: Simplify right side
    1,173,292.13x = 1,030,986,396,706.50
  5. Step 5: Solve for x
    x = 1,030,986,396,706.50/1,173,292.13
  6. Step 6: Final answer
    x = 878,712.45

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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.