Home / 1,646,925.31-2,469,122.13-836,643.56

Finding the Fourth Proportional to 1,646,925.31, 2,469,122.13 and 836,643.56

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Solution

The fourth proportional to 1,646,925.31, 2,469,122.13 and 836,643.56 is: 1,254,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,925.31 : 2,469,122.13 = 836,643.56 : x
  2. Step 2: Convert to fraction form
    1,646,925.31/2,469,122.13 = 836,643.56/x
  3. Step 3: Cross multiply
    1,646,925.31x = 2,469,122.13 × 836,643.56
  4. Step 4: Simplify right side
    1,646,925.31x = 2,065,775,128,917.98
  5. Step 5: Solve for x
    x = 2,065,775,128,917.98/1,646,925.31
  6. Step 6: Final answer
    x = 1,254,322.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.