Home / 1,286,180.74-1,929,346.85-433,181.08

Finding the Fourth Proportional to 1,286,180.74, 1,929,346.85 and 433,181.08

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Solution

The fourth proportional to 1,286,180.74, 1,929,346.85 and 433,181.08 is: 649,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,180.74 : 1,929,346.85 = 433,181.08 : x
  2. Step 2: Convert to fraction form
    1,286,180.74/1,929,346.85 = 433,181.08/x
  3. Step 3: Cross multiply
    1,286,180.74x = 1,929,346.85 × 433,181.08
  4. Step 4: Simplify right side
    1,286,180.74x = 835,756,552,177.60
  5. Step 5: Solve for x
    x = 835,756,552,177.60/1,286,180.74
  6. Step 6: Final answer
    x = 649,797.13

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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.