Home / 1,651,278.56-2,277,796.64-1,038,459.28

Finding the Fourth Proportional to 1,651,278.56, 2,277,796.64 and 1,038,459.28

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Solution

The fourth proportional to 1,651,278.56, 2,277,796.64 and 1,038,459.28 is: 1,432,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,278.56 : 2,277,796.64 = 1,038,459.28 : x
  2. Step 2: Convert to fraction form
    1,651,278.56/2,277,796.64 = 1,038,459.28/x
  3. Step 3: Cross multiply
    1,651,278.56x = 2,277,796.64 × 1,038,459.28
  4. Step 4: Simplify right side
    1,651,278.56x = 2,365,399,058,760.82
  5. Step 5: Solve for x
    x = 2,365,399,058,760.82/1,651,278.56
  6. Step 6: Final answer
    x = 1,432,465.19

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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.