Home / 1,143,006.72-1,573,750.08-870,198.72

Finding the Fourth Proportional to 1,143,006.72, 1,573,750.08 and 870,198.72

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Solution

The fourth proportional to 1,143,006.72, 1,573,750.08 and 870,198.72 is: 1,198,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,006.72 : 1,573,750.08 = 870,198.72 : x
  2. Step 2: Convert to fraction form
    1,143,006.72/1,573,750.08 = 870,198.72/x
  3. Step 3: Cross multiply
    1,143,006.72x = 1,573,750.08 × 870,198.72
  4. Step 4: Simplify right side
    1,143,006.72x = 1,369,475,305,215.90
  5. Step 5: Solve for x
    x = 1,369,475,305,215.90/1,143,006.72
  6. Step 6: Final answer
    x = 1,198,134.08

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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.