Home / 1,398,170.40-2,095,700.40-767,536.80

Finding the Fourth Proportional to 1,398,170.40, 2,095,700.40 and 767,536.80

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Solution

The fourth proportional to 1,398,170.40, 2,095,700.40 and 767,536.80 is: 1,150,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,170.40 : 2,095,700.40 = 767,536.80 : x
  2. Step 2: Convert to fraction form
    1,398,170.40/2,095,700.40 = 767,536.80/x
  3. Step 3: Cross multiply
    1,398,170.40x = 2,095,700.40 × 767,536.80
  4. Step 4: Simplify right side
    1,398,170.40x = 1,608,527,178,774.72
  5. Step 5: Solve for x
    x = 1,608,527,178,774.72/1,398,170.40
  6. Step 6: Final answer
    x = 1,150,451.46

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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.