Home / 1,512,087.75-2,268,175.38-390,156.75

Finding the Fourth Proportional to 1,512,087.75, 2,268,175.38 and 390,156.75

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Solution

The fourth proportional to 1,512,087.75, 2,268,175.38 and 390,156.75 is: 585,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,087.75 : 2,268,175.38 = 390,156.75 : x
  2. Step 2: Convert to fraction form
    1,512,087.75/2,268,175.38 = 390,156.75/x
  3. Step 3: Cross multiply
    1,512,087.75x = 2,268,175.38 × 390,156.75
  4. Step 4: Simplify right side
    1,512,087.75x = 884,943,934,690.82
  5. Step 5: Solve for x
    x = 884,943,934,690.82/1,512,087.75
  6. Step 6: Final answer
    x = 585,246.41

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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.