Home / 1,345,873.40-1,856,836.29-862,704.96

Finding the Fourth Proportional to 1,345,873.40, 1,856,836.29 and 862,704.96

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Solution

The fourth proportional to 1,345,873.40, 1,856,836.29 and 862,704.96 is: 1,190,232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,873.40 : 1,856,836.29 = 862,704.96 : x
  2. Step 2: Convert to fraction form
    1,345,873.40/1,856,836.29 = 862,704.96/x
  3. Step 3: Cross multiply
    1,345,873.40x = 1,856,836.29 × 862,704.96
  4. Step 4: Simplify right side
    1,345,873.40x = 1,601,901,877,291.00
  5. Step 5: Solve for x
    x = 1,601,901,877,291.00/1,345,873.40
  6. Step 6: Final answer
    x = 1,190,232.21

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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.