Home / 1,080,692.69-1,490,390.43-896,639.83

Finding the Fourth Proportional to 1,080,692.69, 1,490,390.43 and 896,639.83

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Solution

The fourth proportional to 1,080,692.69, 1,490,390.43 and 896,639.83 is: 1,236,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,692.69 : 1,490,390.43 = 896,639.83 : x
  2. Step 2: Convert to fraction form
    1,080,692.69/1,490,390.43 = 896,639.83/x
  3. Step 3: Cross multiply
    1,080,692.69x = 1,490,390.43 × 896,639.83
  4. Step 4: Simplify right side
    1,080,692.69x = 1,336,343,419,744.05
  5. Step 5: Solve for x
    x = 1,336,343,419,744.05/1,080,692.69
  6. Step 6: Final answer
    x = 1,236,561.92

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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.