Home / 1,310,680.68-1,808,377.38-737,687.40

Finding the Fourth Proportional to 1,310,680.68, 1,808,377.38 and 737,687.40

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Solution

The fourth proportional to 1,310,680.68, 1,808,377.38 and 737,687.40 is: 1,017,804.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,680.68 : 1,808,377.38 = 737,687.40 : x
  2. Step 2: Convert to fraction form
    1,310,680.68/1,808,377.38 = 737,687.40/x
  3. Step 3: Cross multiply
    1,310,680.68x = 1,808,377.38 × 737,687.40
  4. Step 4: Simplify right side
    1,310,680.68x = 1,334,017,207,671.01
  5. Step 5: Solve for x
    x = 1,334,017,207,671.01/1,310,680.68
  6. Step 6: Final answer
    x = 1,017,804.89

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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.