Home / 1,087,346.85-1,631,020.28-807,410.85

Finding the Fourth Proportional to 1,087,346.85, 1,631,020.28 and 807,410.85

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Solution

The fourth proportional to 1,087,346.85, 1,631,020.28 and 807,410.85 is: 1,211,116.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,346.85 : 1,631,020.28 = 807,410.85 : x
  2. Step 2: Convert to fraction form
    1,087,346.85/1,631,020.28 = 807,410.85/x
  3. Step 3: Cross multiply
    1,087,346.85x = 1,631,020.28 × 807,410.85
  4. Step 4: Simplify right side
    1,087,346.85x = 1,316,903,466,604.98
  5. Step 5: Solve for x
    x = 1,316,903,466,604.98/1,087,346.85
  6. Step 6: Final answer
    x = 1,211,116.28

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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.