Home / 1,381,486.94-2,073,643.86-1,140,834.32

Finding the Fourth Proportional to 1,381,486.94, 2,073,643.86 and 1,140,834.32

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Solution

The fourth proportional to 1,381,486.94, 2,073,643.86 and 1,140,834.32 is: 1,712,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,486.94 : 2,073,643.86 = 1,140,834.32 : x
  2. Step 2: Convert to fraction form
    1,381,486.94/2,073,643.86 = 1,140,834.32/x
  3. Step 3: Cross multiply
    1,381,486.94x = 2,073,643.86 × 1,140,834.32
  4. Step 4: Simplify right side
    1,381,486.94x = 2,365,684,082,945.28
  5. Step 5: Solve for x
    x = 2,365,684,082,945.28/1,381,486.94
  6. Step 6: Final answer
    x = 1,712,418.71

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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.