Home / 1,079,751.25-1,490,056.73-627,071.41

Finding the Fourth Proportional to 1,079,751.25, 1,490,056.73 and 627,071.41

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Solution

The fourth proportional to 1,079,751.25, 1,490,056.73 and 627,071.41 is: 865,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,751.25 : 1,490,056.73 = 627,071.41 : x
  2. Step 2: Convert to fraction form
    1,079,751.25/1,490,056.73 = 627,071.41/x
  3. Step 3: Cross multiply
    1,079,751.25x = 1,490,056.73 × 627,071.41
  4. Step 4: Simplify right side
    1,079,751.25x = 934,371,974,661.09
  5. Step 5: Solve for x
    x = 934,371,974,661.09/1,079,751.25
  6. Step 6: Final answer
    x = 865,358.55

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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.