Home / 1,382,639.52-1,908,156.21-762,566.01

Finding the Fourth Proportional to 1,382,639.52, 1,908,156.21 and 762,566.01

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Solution

The fourth proportional to 1,382,639.52, 1,908,156.21 and 762,566.01 is: 1,052,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,639.52 : 1,908,156.21 = 762,566.01 : x
  2. Step 2: Convert to fraction form
    1,382,639.52/1,908,156.21 = 762,566.01/x
  3. Step 3: Cross multiply
    1,382,639.52x = 1,908,156.21 × 762,566.01
  4. Step 4: Simplify right side
    1,382,639.52x = 1,455,095,067,516.42
  5. Step 5: Solve for x
    x = 1,455,095,067,516.42/1,382,639.52
  6. Step 6: Final answer
    x = 1,052,403.79

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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.