Home / 1,583,479.80-2,375,186.46-385,408.80

Finding the Fourth Proportional to 1,583,479.80, 2,375,186.46 and 385,408.80

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Solution

The fourth proportional to 1,583,479.80, 2,375,186.46 and 385,408.80 is: 578,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,479.80 : 2,375,186.46 = 385,408.80 : x
  2. Step 2: Convert to fraction form
    1,583,479.80/2,375,186.46 = 385,408.80/x
  3. Step 3: Cross multiply
    1,583,479.80x = 2,375,186.46 × 385,408.80
  4. Step 4: Simplify right side
    1,583,479.80x = 915,417,763,324.85
  5. Step 5: Solve for x
    x = 915,417,763,324.85/1,583,479.80
  6. Step 6: Final answer
    x = 578,105.11

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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.