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Finding the Fourth Proportional to 1,313,976, 1,813,286.88 and 710,364

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Solution

The fourth proportional to 1,313,976, 1,813,286.88 and 710,364 is: 980,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,976 : 1,813,286.88 = 710,364 : x
  2. Step 2: Convert to fraction form
    1,313,976/1,813,286.88 = 710,364/x
  3. Step 3: Cross multiply
    1,313,976x = 1,813,286.88 × 710,364
  4. Step 4: Simplify right side
    1,313,976x = 1,288,093,721,224.32
  5. Step 5: Solve for x
    x = 1,288,093,721,224.32/1,313,976
  6. Step 6: Final answer
    x = 980,302.32

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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.