Home / 1,225,139.76-1,837,797.21-326,576.88

Finding the Fourth Proportional to 1,225,139.76, 1,837,797.21 and 326,576.88

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Solution

The fourth proportional to 1,225,139.76, 1,837,797.21 and 326,576.88 is: 489,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,139.76 : 1,837,797.21 = 326,576.88 : x
  2. Step 2: Convert to fraction form
    1,225,139.76/1,837,797.21 = 326,576.88/x
  3. Step 3: Cross multiply
    1,225,139.76x = 1,837,797.21 × 326,576.88
  4. Step 4: Simplify right side
    1,225,139.76x = 600,182,078,914.51
  5. Step 5: Solve for x
    x = 600,182,078,914.51/1,225,139.76
  6. Step 6: Final answer
    x = 489,888.66

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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.