Home / 1,080,927.70-1,491,520.44-615,785.74

Finding the Fourth Proportional to 1,080,927.70, 1,491,520.44 and 615,785.74

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Solution

The fourth proportional to 1,080,927.70, 1,491,520.44 and 615,785.74 is: 849,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,927.70 : 1,491,520.44 = 615,785.74 : x
  2. Step 2: Convert to fraction form
    1,080,927.70/1,491,520.44 = 615,785.74/x
  3. Step 3: Cross multiply
    1,080,927.70x = 1,491,520.44 × 615,785.74
  4. Step 4: Simplify right side
    1,080,927.70x = 918,457,017,870.53
  5. Step 5: Solve for x
    x = 918,457,017,870.53/1,080,927.70
  6. Step 6: Final answer
    x = 849,693.29

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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.