Home / 1,282,683.51-1,770,079.90-709,723.68

Finding the Fourth Proportional to 1,282,683.51, 1,770,079.90 and 709,723.68

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Solution

The fourth proportional to 1,282,683.51, 1,770,079.90 and 709,723.68 is: 979,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,683.51 : 1,770,079.90 = 709,723.68 : x
  2. Step 2: Convert to fraction form
    1,282,683.51/1,770,079.90 = 709,723.68/x
  3. Step 3: Cross multiply
    1,282,683.51x = 1,770,079.90 × 709,723.68
  4. Step 4: Simplify right side
    1,282,683.51x = 1,256,267,620,522.03
  5. Step 5: Solve for x
    x = 1,256,267,620,522.03/1,282,683.51
  6. Step 6: Final answer
    x = 979,405.76

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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.