Home / 1,415,422.85-1,953,015.17-899,260.79

Finding the Fourth Proportional to 1,415,422.85, 1,953,015.17 and 899,260.79

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Solution

The fourth proportional to 1,415,422.85, 1,953,015.17 and 899,260.79 is: 1,240,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,422.85 : 1,953,015.17 = 899,260.79 : x
  2. Step 2: Convert to fraction form
    1,415,422.85/1,953,015.17 = 899,260.79/x
  3. Step 3: Cross multiply
    1,415,422.85x = 1,953,015.17 × 899,260.79
  4. Step 4: Simplify right side
    1,415,422.85x = 1,756,269,950,394.80
  5. Step 5: Solve for x
    x = 1,756,269,950,394.80/1,415,422.85
  6. Step 6: Final answer
    x = 1,240,809.39

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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.