Home / 1,282,185.96-1,769,306.40-709,083.48

Finding the Fourth Proportional to 1,282,185.96, 1,769,306.40 and 709,083.48

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Solution

The fourth proportional to 1,282,185.96, 1,769,306.40 and 709,083.48 is: 978,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,185.96 : 1,769,306.40 = 709,083.48 : x
  2. Step 2: Convert to fraction form
    1,282,185.96/1,769,306.40 = 709,083.48/x
  3. Step 3: Cross multiply
    1,282,185.96x = 1,769,306.40 × 709,083.48
  4. Step 4: Simplify right side
    1,282,185.96x = 1,254,585,939,298.27
  5. Step 5: Solve for x
    x = 1,254,585,939,298.27/1,282,185.96
  6. Step 6: Final answer
    x = 978,474.25

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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.