Home / 1,670,785.74-2,305,622.55-906,822.90

Finding the Fourth Proportional to 1,670,785.74, 2,305,622.55 and 906,822.90

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Solution

The fourth proportional to 1,670,785.74, 2,305,622.55 and 906,822.90 is: 1,251,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,785.74 : 2,305,622.55 = 906,822.90 : x
  2. Step 2: Convert to fraction form
    1,670,785.74/2,305,622.55 = 906,822.90/x
  3. Step 3: Cross multiply
    1,670,785.74x = 2,305,622.55 × 906,822.90
  4. Step 4: Simplify right side
    1,670,785.74x = 2,090,791,327,096.39
  5. Step 5: Solve for x
    x = 2,090,791,327,096.39/1,670,785.74
  6. Step 6: Final answer
    x = 1,251,382.08

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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.