Home / 1,116,605.90-1,674,006.66-433,139.85

Finding the Fourth Proportional to 1,116,605.90, 1,674,006.66 and 433,139.85

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Solution

The fourth proportional to 1,116,605.90, 1,674,006.66 and 433,139.85 is: 649,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,605.90 : 1,674,006.66 = 433,139.85 : x
  2. Step 2: Convert to fraction form
    1,116,605.90/1,674,006.66 = 433,139.85/x
  3. Step 3: Cross multiply
    1,116,605.90x = 1,674,006.66 × 433,139.85
  4. Step 4: Simplify right side
    1,116,605.90x = 725,078,993,611.40
  5. Step 5: Solve for x
    x = 725,078,993,611.40/1,116,605.90
  6. Step 6: Final answer
    x = 649,359.81

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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.