Home / 1,532,816.64-2,115,069.84-870,505.56

Finding the Fourth Proportional to 1,532,816.64, 2,115,069.84 and 870,505.56

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Solution

The fourth proportional to 1,532,816.64, 2,115,069.84 and 870,505.56 is: 1,201,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,816.64 : 2,115,069.84 = 870,505.56 : x
  2. Step 2: Convert to fraction form
    1,532,816.64/2,115,069.84 = 870,505.56/x
  3. Step 3: Cross multiply
    1,532,816.64x = 2,115,069.84 × 870,505.56
  4. Step 4: Simplify right side
    1,532,816.64x = 1,841,180,055,508.31
  5. Step 5: Solve for x
    x = 1,841,180,055,508.31/1,532,816.64
  6. Step 6: Final answer
    x = 1,201,174.37

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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.