Home / 1,156,422.80-1,736,189.40-736,518.80

Finding the Fourth Proportional to 1,156,422.80, 1,736,189.40 and 736,518.80

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Solution

The fourth proportional to 1,156,422.80, 1,736,189.40 and 736,518.80 is: 1,105,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,422.80 : 1,736,189.40 = 736,518.80 : x
  2. Step 2: Convert to fraction form
    1,156,422.80/1,736,189.40 = 736,518.80/x
  3. Step 3: Cross multiply
    1,156,422.80x = 1,736,189.40 × 736,518.80
  4. Step 4: Simplify right side
    1,156,422.80x = 1,278,736,133,460.72
  5. Step 5: Solve for x
    x = 1,278,736,133,460.72/1,156,422.80
  6. Step 6: Final answer
    x = 1,105,768.70

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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.