Home / 999,521.45-1,498,869.72-383,932.37

Finding the Fourth Proportional to 999,521.45, 1,498,869.72 and 383,932.37

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Solution

The fourth proportional to 999,521.45, 1,498,869.72 and 383,932.37 is: 575,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,521.45 : 1,498,869.72 = 383,932.37 : x
  2. Step 2: Convert to fraction form
    999,521.45/1,498,869.72 = 383,932.37/x
  3. Step 3: Cross multiply
    999,521.45x = 1,498,869.72 × 383,932.37
  4. Step 4: Simplify right side
    999,521.45x = 575,464,603,920.84
  5. Step 5: Solve for x
    x = 575,464,603,920.84/999,521.45
  6. Step 6: Final answer
    x = 575,740.12

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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.