Home / 1,012,805.90-1,519,208.85-264,851.90

Finding the Fourth Proportional to 1,012,805.90, 1,519,208.85 and 264,851.90

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Solution

The fourth proportional to 1,012,805.90, 1,519,208.85 and 264,851.90 is: 397,277.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,805.90 : 1,519,208.85 = 264,851.90 : x
  2. Step 2: Convert to fraction form
    1,012,805.90/1,519,208.85 = 264,851.90/x
  3. Step 3: Cross multiply
    1,012,805.90x = 1,519,208.85 × 264,851.90
  4. Step 4: Simplify right side
    1,012,805.90x = 402,365,350,419.32
  5. Step 5: Solve for x
    x = 402,365,350,419.32/1,012,805.90
  6. Step 6: Final answer
    x = 397,277.85

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Double scale
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Similar ratio
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1.5x scale

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.