Home / 1,087,244.40-1,627,756.20-667,340.40

Finding the Fourth Proportional to 1,087,244.40, 1,627,756.20 and 667,340.40

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Solution

The fourth proportional to 1,087,244.40, 1,627,756.20 and 667,340.40 is: 999,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,244.40 : 1,627,756.20 = 667,340.40 : x
  2. Step 2: Convert to fraction form
    1,087,244.40/1,627,756.20 = 667,340.40/x
  3. Step 3: Cross multiply
    1,087,244.40x = 1,627,756.20 × 667,340.40
  4. Step 4: Simplify right side
    1,087,244.40x = 1,086,267,473,610.48
  5. Step 5: Solve for x
    x = 1,086,267,473,610.48/1,087,244.40
  6. Step 6: Final answer
    x = 999,101.47

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1.5x scale

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.