Home / 1,417,431.78-2,124,943.47-659,713.26

Finding the Fourth Proportional to 1,417,431.78, 2,124,943.47 and 659,713.26

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Solution

The fourth proportional to 1,417,431.78, 2,124,943.47 and 659,713.26 is: 989,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,431.78 : 2,124,943.47 = 659,713.26 : x
  2. Step 2: Convert to fraction form
    1,417,431.78/2,124,943.47 = 659,713.26/x
  3. Step 3: Cross multiply
    1,417,431.78x = 2,124,943.47 × 659,713.26
  4. Step 4: Simplify right side
    1,417,431.78x = 1,401,853,383,909.41
  5. Step 5: Solve for x
    x = 1,401,853,383,909.41/1,417,431.78
  6. Step 6: Final answer
    x = 989,009.42

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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.