Home / 1,242,499.75-1,863,541.99-344,032.31

Finding the Fourth Proportional to 1,242,499.75, 1,863,541.99 and 344,032.31

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Solution

The fourth proportional to 1,242,499.75, 1,863,541.99 and 344,032.31 is: 515,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,499.75 : 1,863,541.99 = 344,032.31 : x
  2. Step 2: Convert to fraction form
    1,242,499.75/1,863,541.99 = 344,032.31/x
  3. Step 3: Cross multiply
    1,242,499.75x = 1,863,541.99 × 344,032.31
  4. Step 4: Simplify right side
    1,242,499.75x = 641,118,660,690.59
  5. Step 5: Solve for x
    x = 641,118,660,690.59/1,242,499.75
  6. Step 6: Final answer
    x = 515,990.98

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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.