Home / 990,326.73-1,366,652.25-537,617.73

Finding the Fourth Proportional to 990,326.73, 1,366,652.25 and 537,617.73

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Solution

The fourth proportional to 990,326.73, 1,366,652.25 and 537,617.73 is: 741,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,326.73 : 1,366,652.25 = 537,617.73 : x
  2. Step 2: Convert to fraction form
    990,326.73/1,366,652.25 = 537,617.73/x
  3. Step 3: Cross multiply
    990,326.73x = 1,366,652.25 × 537,617.73
  4. Step 4: Simplify right side
    990,326.73x = 734,736,480,344.39
  5. Step 5: Solve for x
    x = 734,736,480,344.39/990,326.73
  6. Step 6: Final answer
    x = 741,913.21

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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.