Home / 1,316,681.82-1,817,168.70-743,758.90

Finding the Fourth Proportional to 1,316,681.82, 1,817,168.70 and 743,758.90

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Solution

The fourth proportional to 1,316,681.82, 1,817,168.70 and 743,758.90 is: 1,026,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,681.82 : 1,817,168.70 = 743,758.90 : x
  2. Step 2: Convert to fraction form
    1,316,681.82/1,817,168.70 = 743,758.90/x
  3. Step 3: Cross multiply
    1,316,681.82x = 1,817,168.70 × 743,758.90
  4. Step 4: Simplify right side
    1,316,681.82x = 1,351,535,393,426.43
  5. Step 5: Solve for x
    x = 1,351,535,393,426.43/1,316,681.82
  6. Step 6: Final answer
    x = 1,026,470.76

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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.