Home / 1,305,254.55-1,803,086.42-1,007,278.23

Finding the Fourth Proportional to 1,305,254.55, 1,803,086.42 and 1,007,278.23

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Solution

The fourth proportional to 1,305,254.55, 1,803,086.42 and 1,007,278.23 is: 1,391,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,254.55 : 1,803,086.42 = 1,007,278.23 : x
  2. Step 2: Convert to fraction form
    1,305,254.55/1,803,086.42 = 1,007,278.23/x
  3. Step 3: Cross multiply
    1,305,254.55x = 1,803,086.42 × 1,007,278.23
  4. Step 4: Simplify right side
    1,305,254.55x = 1,816,209,692,638.25
  5. Step 5: Solve for x
    x = 1,816,209,692,638.25/1,305,254.55
  6. Step 6: Final answer
    x = 1,391,460.15

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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.