Home / 999,585.44-1,496,994.65-638,620.75

Finding the Fourth Proportional to 999,585.44, 1,496,994.65 and 638,620.75

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Solution

The fourth proportional to 999,585.44, 1,496,994.65 and 638,620.75 is: 956,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,585.44 : 1,496,994.65 = 638,620.75 : x
  2. Step 2: Convert to fraction form
    999,585.44/1,496,994.65 = 638,620.75/x
  3. Step 3: Cross multiply
    999,585.44x = 1,496,994.65 × 638,620.75
  4. Step 4: Simplify right side
    999,585.44x = 956,011,847,201.96
  5. Step 5: Solve for x
    x = 956,011,847,201.96/999,585.44
  6. Step 6: Final answer
    x = 956,408.34

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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.