Home / 1,376,651.64-1,899,803.16-803,715.96

Finding the Fourth Proportional to 1,376,651.64, 1,899,803.16 and 803,715.96

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Solution

The fourth proportional to 1,376,651.64, 1,899,803.16 and 803,715.96 is: 1,109,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,651.64 : 1,899,803.16 = 803,715.96 : x
  2. Step 2: Convert to fraction form
    1,376,651.64/1,899,803.16 = 803,715.96/x
  3. Step 3: Cross multiply
    1,376,651.64x = 1,899,803.16 × 803,715.96
  4. Step 4: Simplify right side
    1,376,651.64x = 1,526,902,120,550.43
  5. Step 5: Solve for x
    x = 1,526,902,120,550.43/1,376,651.64
  6. Step 6: Final answer
    x = 1,109,141.98

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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.