Home / 1,313,818.25-1,813,071.80-710,206.25

Finding the Fourth Proportional to 1,313,818.25, 1,813,071.80 and 710,206.25

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Solution

The fourth proportional to 1,313,818.25, 1,813,071.80 and 710,206.25 is: 980,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,818.25 : 1,813,071.80 = 710,206.25 : x
  2. Step 2: Convert to fraction form
    1,313,818.25/1,813,071.80 = 710,206.25/x
  3. Step 3: Cross multiply
    1,313,818.25x = 1,813,071.80 × 710,206.25
  4. Step 4: Simplify right side
    1,313,818.25x = 1,287,654,916,768.91
  5. Step 5: Solve for x
    x = 1,287,654,916,768.91/1,313,818.25
  6. Step 6: Final answer
    x = 980,086.04

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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.