Home / 1,361,964.78-2,041,763.49-687,484.26

Finding the Fourth Proportional to 1,361,964.78, 2,041,763.49 and 687,484.26

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Solution

The fourth proportional to 1,361,964.78, 2,041,763.49 and 687,484.26 is: 1,030,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,964.78 : 2,041,763.49 = 687,484.26 : x
  2. Step 2: Convert to fraction form
    1,361,964.78/2,041,763.49 = 687,484.26/x
  3. Step 3: Cross multiply
    1,361,964.78x = 2,041,763.49 × 687,484.26
  4. Step 4: Simplify right side
    1,361,964.78x = 1,403,680,262,017.67
  5. Step 5: Solve for x
    x = 1,403,680,262,017.67/1,361,964.78
  6. Step 6: Final answer
    x = 1,030,628.90

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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.