Home / 1,188,953.88-1,783,056.16-390,049.26

Finding the Fourth Proportional to 1,188,953.88, 1,783,056.16 and 390,049.26

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Solution

The fourth proportional to 1,188,953.88, 1,783,056.16 and 390,049.26 is: 584,950.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,953.88 : 1,783,056.16 = 390,049.26 : x
  2. Step 2: Convert to fraction form
    1,188,953.88/1,783,056.16 = 390,049.26/x
  3. Step 3: Cross multiply
    1,188,953.88x = 1,783,056.16 × 390,049.26
  4. Step 4: Simplify right side
    1,188,953.88x = 695,479,735,746.44
  5. Step 5: Solve for x
    x = 695,479,735,746.44/1,188,953.88
  6. Step 6: Final answer
    x = 584,950.98

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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.