Home / 1,003,426.32-1,504,366.64-870,122.96

Finding the Fourth Proportional to 1,003,426.32, 1,504,366.64 and 870,122.96

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Solution

The fourth proportional to 1,003,426.32, 1,504,366.64 and 870,122.96 is: 1,304,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,426.32 : 1,504,366.64 = 870,122.96 : x
  2. Step 2: Convert to fraction form
    1,003,426.32/1,504,366.64 = 870,122.96/x
  3. Step 3: Cross multiply
    1,003,426.32x = 1,504,366.64 × 870,122.96
  4. Step 4: Simplify right side
    1,003,426.32x = 1,308,983,953,722.05
  5. Step 5: Solve for x
    x = 1,308,983,953,722.05/1,003,426.32
  6. Step 6: Final answer
    x = 1,304,514.27

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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.