Home / 1,284,180.28-1,772,016.87-740,494.69

Finding the Fourth Proportional to 1,284,180.28, 1,772,016.87 and 740,494.69

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Solution

The fourth proportional to 1,284,180.28, 1,772,016.87 and 740,494.69 is: 1,021,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,180.28 : 1,772,016.87 = 740,494.69 : x
  2. Step 2: Convert to fraction form
    1,284,180.28/1,772,016.87 = 740,494.69/x
  3. Step 3: Cross multiply
    1,284,180.28x = 1,772,016.87 × 740,494.69
  4. Step 4: Simplify right side
    1,284,180.28x = 1,312,169,082,825.42
  5. Step 5: Solve for x
    x = 1,312,169,082,825.42/1,284,180.28
  6. Step 6: Final answer
    x = 1,021,795.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.