Home / 1,029,963.21-1,421,496.32-571,179.82

Finding the Fourth Proportional to 1,029,963.21, 1,421,496.32 and 571,179.82

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Solution

The fourth proportional to 1,029,963.21, 1,421,496.32 and 571,179.82 is: 788,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,963.21 : 1,421,496.32 = 571,179.82 : x
  2. Step 2: Convert to fraction form
    1,029,963.21/1,421,496.32 = 571,179.82/x
  3. Step 3: Cross multiply
    1,029,963.21x = 1,421,496.32 × 571,179.82
  4. Step 4: Simplify right side
    1,029,963.21x = 811,930,012,188.26
  5. Step 5: Solve for x
    x = 811,930,012,188.26/1,029,963.21
  6. Step 6: Final answer
    x = 788,309.72

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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.