Home / 1,681,730-2,320,836.60-917,832.56

Finding the Fourth Proportional to 1,681,730, 2,320,836.60 and 917,832.56

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Solution

The fourth proportional to 1,681,730, 2,320,836.60 and 917,832.56 is: 1,266,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,730 : 2,320,836.60 = 917,832.56 : x
  2. Step 2: Convert to fraction form
    1,681,730/2,320,836.60 = 917,832.56/x
  3. Step 3: Cross multiply
    1,681,730x = 2,320,836.60 × 917,832.56
  4. Step 4: Simplify right side
    1,681,730x = 2,130,139,397,919.70
  5. Step 5: Solve for x
    x = 2,130,139,397,919.70/1,681,730
  6. Step 6: Final answer
    x = 1,266,635.78

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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.