Home / 1,277,286.57-1,915,754.90-745,058.25

Finding the Fourth Proportional to 1,277,286.57, 1,915,754.90 and 745,058.25

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Solution

The fourth proportional to 1,277,286.57, 1,915,754.90 and 745,058.25 is: 1,117,485.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,286.57 : 1,915,754.90 = 745,058.25 : x
  2. Step 2: Convert to fraction form
    1,277,286.57/1,915,754.90 = 745,058.25/x
  3. Step 3: Cross multiply
    1,277,286.57x = 1,915,754.90 × 745,058.25
  4. Step 4: Simplify right side
    1,277,286.57x = 1,427,348,989,497.63
  5. Step 5: Solve for x
    x = 1,427,348,989,497.63/1,277,286.57
  6. Step 6: Final answer
    x = 1,117,485.32

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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.