Home / 1,117,974.48-1,677,022.92-319,193.52

Finding the Fourth Proportional to 1,117,974.48, 1,677,022.92 and 319,193.52

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Solution

The fourth proportional to 1,117,974.48, 1,677,022.92 and 319,193.52 is: 478,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,974.48 : 1,677,022.92 = 319,193.52 : x
  2. Step 2: Convert to fraction form
    1,117,974.48/1,677,022.92 = 319,193.52/x
  3. Step 3: Cross multiply
    1,117,974.48x = 1,677,022.92 × 319,193.52
  4. Step 4: Simplify right side
    1,117,974.48x = 535,294,848,955.48
  5. Step 5: Solve for x
    x = 535,294,848,955.48/1,117,974.48
  6. Step 6: Final answer
    x = 478,807.75

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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.