Home / 1,129,456.65-1,693,825.71-371,123.51

Finding the Fourth Proportional to 1,129,456.65, 1,693,825.71 and 371,123.51

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Solution

The fourth proportional to 1,129,456.65, 1,693,825.71 and 371,123.51 is: 556,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,456.65 : 1,693,825.71 = 371,123.51 : x
  2. Step 2: Convert to fraction form
    1,129,456.65/1,693,825.71 = 371,123.51/x
  3. Step 3: Cross multiply
    1,129,456.65x = 1,693,825.71 × 371,123.51
  4. Step 4: Simplify right side
    1,129,456.65x = 628,618,542,823.44
  5. Step 5: Solve for x
    x = 628,618,542,823.44/1,129,456.65
  6. Step 6: Final answer
    x = 556,567.22

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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.