Home / 1,126,432.80-1,686,538.80-877,600.80

Finding the Fourth Proportional to 1,126,432.80, 1,686,538.80 and 877,600.80

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Solution

The fourth proportional to 1,126,432.80, 1,686,538.80 and 877,600.80 is: 1,313,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,432.80 : 1,686,538.80 = 877,600.80 : x
  2. Step 2: Convert to fraction form
    1,126,432.80/1,686,538.80 = 877,600.80/x
  3. Step 3: Cross multiply
    1,126,432.80x = 1,686,538.80 × 877,600.80
  4. Step 4: Simplify right side
    1,126,432.80x = 1,480,107,800,111.04
  5. Step 5: Solve for x
    x = 1,480,107,800,111.04/1,126,432.80
  6. Step 6: Final answer
    x = 1,313,977.90

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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.