Home / 1,505,881.32-2,078,118.50-826,861.16

Finding the Fourth Proportional to 1,505,881.32, 2,078,118.50 and 826,861.16

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Solution

The fourth proportional to 1,505,881.32, 2,078,118.50 and 826,861.16 is: 1,141,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,881.32 : 2,078,118.50 = 826,861.16 : x
  2. Step 2: Convert to fraction form
    1,505,881.32/2,078,118.50 = 826,861.16/x
  3. Step 3: Cross multiply
    1,505,881.32x = 2,078,118.50 × 826,861.16
  4. Step 4: Simplify right side
    1,505,881.32x = 1,718,315,473,527.46
  5. Step 5: Solve for x
    x = 1,718,315,473,527.46/1,505,881.32
  6. Step 6: Final answer
    x = 1,141,069.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.