Home / 989,894.54-1,366,055.34-537,185.54

Finding the Fourth Proportional to 989,894.54, 1,366,055.34 and 537,185.54

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Solution

The fourth proportional to 989,894.54, 1,366,055.34 and 537,185.54 is: 741,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,894.54 : 1,366,055.34 = 537,185.54 : x
  2. Step 2: Convert to fraction form
    989,894.54/1,366,055.34 = 537,185.54/x
  3. Step 3: Cross multiply
    989,894.54x = 1,366,055.34 × 537,185.54
  4. Step 4: Simplify right side
    989,894.54x = 733,825,175,487.78
  5. Step 5: Solve for x
    x = 733,825,175,487.78/989,894.54
  6. Step 6: Final answer
    x = 741,316.52

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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.