Home / 1,310,635.85-1,966,660.02-553,002.41

Finding the Fourth Proportional to 1,310,635.85, 1,966,660.02 and 553,002.41

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Solution

The fourth proportional to 1,310,635.85, 1,966,660.02 and 553,002.41 is: 829,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,635.85 : 1,966,660.02 = 553,002.41 : x
  2. Step 2: Convert to fraction form
    1,310,635.85/1,966,660.02 = 553,002.41/x
  3. Step 3: Cross multiply
    1,310,635.85x = 1,966,660.02 × 553,002.41
  4. Step 4: Simplify right side
    1,310,635.85x = 1,087,567,735,627.30
  5. Step 5: Solve for x
    x = 1,087,567,735,627.30/1,310,635.85
  6. Step 6: Final answer
    x = 829,801.61

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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.