Home / 1,015,870.80-1,524,019.32-384,770.64

Finding the Fourth Proportional to 1,015,870.80, 1,524,019.32 and 384,770.64

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Solution

The fourth proportional to 1,015,870.80, 1,524,019.32 and 384,770.64 is: 577,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,870.80 : 1,524,019.32 = 384,770.64 : x
  2. Step 2: Convert to fraction form
    1,015,870.80/1,524,019.32 = 384,770.64/x
  3. Step 3: Cross multiply
    1,015,870.80x = 1,524,019.32 × 384,770.64
  4. Step 4: Simplify right side
    1,015,870.80x = 586,397,889,128.77
  5. Step 5: Solve for x
    x = 586,397,889,128.77/1,015,870.80
  6. Step 6: Final answer
    x = 577,236.68

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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.