Home / 1,112,239.62-1,535,486.22-870,007.50

Finding the Fourth Proportional to 1,112,239.62, 1,535,486.22 and 870,007.50

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Solution

The fourth proportional to 1,112,239.62, 1,535,486.22 and 870,007.50 is: 1,201,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,239.62 : 1,535,486.22 = 870,007.50 : x
  2. Step 2: Convert to fraction form
    1,112,239.62/1,535,486.22 = 870,007.50/x
  3. Step 3: Cross multiply
    1,112,239.62x = 1,535,486.22 × 870,007.50
  4. Step 4: Simplify right side
    1,112,239.62x = 1,335,884,527,546.65
  5. Step 5: Solve for x
    x = 1,335,884,527,546.65/1,112,239.62
  6. Step 6: Final answer
    x = 1,201,076.19

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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.