Home / 1,321,938.74-1,824,270.72-749,088.38

Finding the Fourth Proportional to 1,321,938.74, 1,824,270.72 and 749,088.38

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Solution

The fourth proportional to 1,321,938.74, 1,824,270.72 and 749,088.38 is: 1,033,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,938.74 : 1,824,270.72 = 749,088.38 : x
  2. Step 2: Convert to fraction form
    1,321,938.74/1,824,270.72 = 749,088.38/x
  3. Step 3: Cross multiply
    1,321,938.74x = 1,824,270.72 × 749,088.38
  4. Step 4: Simplify right side
    1,321,938.74x = 1,366,539,998,326.23
  5. Step 5: Solve for x
    x = 1,366,539,998,326.23/1,321,938.74
  6. Step 6: Final answer
    x = 1,033,739.28

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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.