Home / 1,282,820.51-1,770,304.80-709,859.31

Finding the Fourth Proportional to 1,282,820.51, 1,770,304.80 and 709,859.31

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Solution

The fourth proportional to 1,282,820.51, 1,770,304.80 and 709,859.31 is: 979,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,820.51 : 1,770,304.80 = 709,859.31 : x
  2. Step 2: Convert to fraction form
    1,282,820.51/1,770,304.80 = 709,859.31/x
  3. Step 3: Cross multiply
    1,282,820.51x = 1,770,304.80 × 709,859.31
  4. Step 4: Simplify right side
    1,282,820.51x = 1,256,667,343,817.69
  5. Step 5: Solve for x
    x = 1,256,667,343,817.69/1,282,820.51
  6. Step 6: Final answer
    x = 979,612.76

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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.