Home / 1,282,837.32-1,770,289.02-709,877.16

Finding the Fourth Proportional to 1,282,837.32, 1,770,289.02 and 709,877.16

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Solution

The fourth proportional to 1,282,837.32, 1,770,289.02 and 709,877.16 is: 979,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,837.32 : 1,770,289.02 = 709,877.16 : x
  2. Step 2: Convert to fraction form
    1,282,837.32/1,770,289.02 = 709,877.16/x
  3. Step 3: Cross multiply
    1,282,837.32x = 1,770,289.02 × 709,877.16
  4. Step 4: Simplify right side
    1,282,837.32x = 1,256,687,741,896.78
  5. Step 5: Solve for x
    x = 1,256,687,741,896.78/1,282,837.32
  6. Step 6: Final answer
    x = 979,615.83

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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.