Home / 1,361,960.28-2,041,756.74-687,479.76

Finding the Fourth Proportional to 1,361,960.28, 2,041,756.74 and 687,479.76

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Solution

The fourth proportional to 1,361,960.28, 2,041,756.74 and 687,479.76 is: 1,030,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,960.28 : 2,041,756.74 = 687,479.76 : x
  2. Step 2: Convert to fraction form
    1,361,960.28/2,041,756.74 = 687,479.76/x
  3. Step 3: Cross multiply
    1,361,960.28x = 2,041,756.74 × 687,479.76
  4. Step 4: Simplify right side
    1,361,960.28x = 1,403,666,433,593.58
  5. Step 5: Solve for x
    x = 1,403,666,433,593.58/1,361,960.28
  6. Step 6: Final answer
    x = 1,030,622.15

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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.