Home / 1,324,925.96-1,987,389.84-426,367.50

Finding the Fourth Proportional to 1,324,925.96, 1,987,389.84 and 426,367.50

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Solution

The fourth proportional to 1,324,925.96, 1,987,389.84 and 426,367.50 is: 639,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,925.96 : 1,987,389.84 = 426,367.50 : x
  2. Step 2: Convert to fraction form
    1,324,925.96/1,987,389.84 = 426,367.50/x
  3. Step 3: Cross multiply
    1,324,925.96x = 1,987,389.84 × 426,367.50
  4. Step 4: Simplify right side
    1,324,925.96x = 847,358,437,606.20
  5. Step 5: Solve for x
    x = 847,358,437,606.20/1,324,925.96
  6. Step 6: Final answer
    x = 639,551.54

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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.