Home / 1,551,211.90-2,326,818.52-486,336.98

Finding the Fourth Proportional to 1,551,211.90, 2,326,818.52 and 486,336.98

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Solution

The fourth proportional to 1,551,211.90, 2,326,818.52 and 486,336.98 is: 729,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,211.90 : 2,326,818.52 = 486,336.98 : x
  2. Step 2: Convert to fraction form
    1,551,211.90/2,326,818.52 = 486,336.98/x
  3. Step 3: Cross multiply
    1,551,211.90x = 2,326,818.52 × 486,336.98
  4. Step 4: Simplify right side
    1,551,211.90x = 1,131,617,898,449.84
  5. Step 5: Solve for x
    x = 1,131,617,898,449.84/1,551,211.90
  6. Step 6: Final answer
    x = 729,505.69

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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.