Home / 1,207,499.85-1,811,249.78-1,116,261.45

Finding the Fourth Proportional to 1,207,499.85, 1,811,249.78 and 1,116,261.45

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Solution

The fourth proportional to 1,207,499.85, 1,811,249.78 and 1,116,261.45 is: 1,674,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,499.85 : 1,811,249.78 = 1,116,261.45 : x
  2. Step 2: Convert to fraction form
    1,207,499.85/1,811,249.78 = 1,116,261.45/x
  3. Step 3: Cross multiply
    1,207,499.85x = 1,811,249.78 × 1,116,261.45
  4. Step 4: Simplify right side
    1,207,499.85x = 2,021,828,300,153.67
  5. Step 5: Solve for x
    x = 2,021,828,300,153.67/1,207,499.85
  6. Step 6: Final answer
    x = 1,674,392.18

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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.