Home / 1,282,897.56-1,770,372.06-709,903.32

Finding the Fourth Proportional to 1,282,897.56, 1,770,372.06 and 709,903.32

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Solution

The fourth proportional to 1,282,897.56, 1,770,372.06 and 709,903.32 is: 979,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,897.56 : 1,770,372.06 = 709,903.32 : x
  2. Step 2: Convert to fraction form
    1,282,897.56/1,770,372.06 = 709,903.32/x
  3. Step 3: Cross multiply
    1,282,897.56x = 1,770,372.06 × 709,903.32
  4. Step 4: Simplify right side
    1,282,897.56x = 1,256,793,003,029.24
  5. Step 5: Solve for x
    x = 1,256,793,003,029.24/1,282,897.56
  6. Step 6: Final answer
    x = 979,651.88

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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.