Home / 1,428,631.26-1,971,599.85-944,356.56

Finding the Fourth Proportional to 1,428,631.26, 1,971,599.85 and 944,356.56

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Solution

The fourth proportional to 1,428,631.26, 1,971,599.85 and 944,356.56 is: 1,303,270.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,631.26 : 1,971,599.85 = 944,356.56 : x
  2. Step 2: Convert to fraction form
    1,428,631.26/1,971,599.85 = 944,356.56/x
  3. Step 3: Cross multiply
    1,428,631.26x = 1,971,599.85 × 944,356.56
  4. Step 4: Simplify right side
    1,428,631.26x = 1,861,893,252,042.52
  5. Step 5: Solve for x
    x = 1,861,893,252,042.52/1,428,631.26
  6. Step 6: Final answer
    x = 1,303,270.69

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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.