Home / 1,138,440.93-1,570,896.68-731,094.54

Finding the Fourth Proportional to 1,138,440.93, 1,570,896.68 and 731,094.54

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Solution

The fourth proportional to 1,138,440.93, 1,570,896.68 and 731,094.54 is: 1,008,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,440.93 : 1,570,896.68 = 731,094.54 : x
  2. Step 2: Convert to fraction form
    1,138,440.93/1,570,896.68 = 731,094.54/x
  3. Step 3: Cross multiply
    1,138,440.93x = 1,570,896.68 × 731,094.54
  4. Step 4: Simplify right side
    1,138,440.93x = 1,148,473,981,996.65
  5. Step 5: Solve for x
    x = 1,148,473,981,996.65/1,138,440.93
  6. Step 6: Final answer
    x = 1,008,812.98

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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.