Home / 1,428,550.31-1,971,488.01-944,275.61

Finding the Fourth Proportional to 1,428,550.31, 1,971,488.01 and 944,275.61

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Solution

The fourth proportional to 1,428,550.31, 1,971,488.01 and 944,275.61 is: 1,303,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,550.31 : 1,971,488.01 = 944,275.61 : x
  2. Step 2: Convert to fraction form
    1,428,550.31/1,971,488.01 = 944,275.61/x
  3. Step 3: Cross multiply
    1,428,550.31x = 1,971,488.01 × 944,275.61
  4. Step 4: Simplify right side
    1,428,550.31x = 1,861,628,033,393.00
  5. Step 5: Solve for x
    x = 1,861,628,033,393.00/1,428,550.31
  6. Step 6: Final answer
    x = 1,303,158.89

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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.