Home / 1,282,362.16-1,769,711.89-709,392.46

Finding the Fourth Proportional to 1,282,362.16, 1,769,711.89 and 709,392.46

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Solution

The fourth proportional to 1,282,362.16, 1,769,711.89 and 709,392.46 is: 978,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,362.16 : 1,769,711.89 = 709,392.46 : x
  2. Step 2: Convert to fraction form
    1,282,362.16/1,769,711.89 = 709,392.46/x
  3. Step 3: Cross multiply
    1,282,362.16x = 1,769,711.89 × 709,392.46
  4. Step 4: Simplify right side
    1,282,362.16x = 1,255,420,271,138.35
  5. Step 5: Solve for x
    x = 1,255,420,271,138.35/1,282,362.16
  6. Step 6: Final answer
    x = 978,990.42

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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.