Home / 1,015,132.32-1,522,715.76-384,343.20

Finding the Fourth Proportional to 1,015,132.32, 1,522,715.76 and 384,343.20

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Solution

The fourth proportional to 1,015,132.32, 1,522,715.76 and 384,343.20 is: 576,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,132.32 : 1,522,715.76 = 384,343.20 : x
  2. Step 2: Convert to fraction form
    1,015,132.32/1,522,715.76 = 384,343.20/x
  3. Step 3: Cross multiply
    1,015,132.32x = 1,522,715.76 × 384,343.20
  4. Step 4: Simplify right side
    1,015,132.32x = 585,245,447,888.83
  5. Step 5: Solve for x
    x = 585,245,447,888.83/1,015,132.32
  6. Step 6: Final answer
    x = 576,521.34

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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.