Home / 1,235,837.60-1,850,127.60-921,687.20

Finding the Fourth Proportional to 1,235,837.60, 1,850,127.60 and 921,687.20

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Solution

The fourth proportional to 1,235,837.60, 1,850,127.60 and 921,687.20 is: 1,379,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,837.60 : 1,850,127.60 = 921,687.20 : x
  2. Step 2: Convert to fraction form
    1,235,837.60/1,850,127.60 = 921,687.20/x
  3. Step 3: Cross multiply
    1,235,837.60x = 1,850,127.60 × 921,687.20
  4. Step 4: Simplify right side
    1,235,837.60x = 1,705,238,927,286.72
  5. Step 5: Solve for x
    x = 1,705,238,927,286.72/1,235,837.60
  6. Step 6: Final answer
    x = 1,379,824.44

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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.