Home / 1,361,278.69-2,041,442.04-401,479.72

Finding the Fourth Proportional to 1,361,278.69, 2,041,442.04 and 401,479.72

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Solution

The fourth proportional to 1,361,278.69, 2,041,442.04 and 401,479.72 is: 602,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,278.69 : 2,041,442.04 = 401,479.72 : x
  2. Step 2: Convert to fraction form
    1,361,278.69/2,041,442.04 = 401,479.72/x
  3. Step 3: Cross multiply
    1,361,278.69x = 2,041,442.04 × 401,479.72
  4. Step 4: Simplify right side
    1,361,278.69x = 819,597,578,615.43
  5. Step 5: Solve for x
    x = 819,597,578,615.43/1,361,278.69
  6. Step 6: Final answer
    x = 602,079.20

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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.