Home / 1,021,915.11-1,410,279.80-634,943.91

Finding the Fourth Proportional to 1,021,915.11, 1,410,279.80 and 634,943.91

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Solution

The fourth proportional to 1,021,915.11, 1,410,279.80 and 634,943.91 is: 876,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,915.11 : 1,410,279.80 = 634,943.91 : x
  2. Step 2: Convert to fraction form
    1,021,915.11/1,410,279.80 = 634,943.91/x
  3. Step 3: Cross multiply
    1,021,915.11x = 1,410,279.80 × 634,943.91
  4. Step 4: Simplify right side
    1,021,915.11x = 895,448,570,406.02
  5. Step 5: Solve for x
    x = 895,448,570,406.02/1,021,915.11
  6. Step 6: Final answer
    x = 876,245.55

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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.