Home / 1,589,446.60-2,382,326.70-642,195.40

Finding the Fourth Proportional to 1,589,446.60, 2,382,326.70 and 642,195.40

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Solution

The fourth proportional to 1,589,446.60, 2,382,326.70 and 642,195.40 is: 962,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,446.60 : 2,382,326.70 = 642,195.40 : x
  2. Step 2: Convert to fraction form
    1,589,446.60/2,382,326.70 = 642,195.40/x
  3. Step 3: Cross multiply
    1,589,446.60x = 2,382,326.70 × 642,195.40
  4. Step 4: Simplify right side
    1,589,446.60x = 1,529,919,248,037.18
  5. Step 5: Solve for x
    x = 1,529,919,248,037.18/1,589,446.60
  6. Step 6: Final answer
    x = 962,548.38

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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.