Home / 1,282,488-1,769,680.56-709,450.56

Finding the Fourth Proportional to 1,282,488, 1,769,680.56 and 709,450.56

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Solution

The fourth proportional to 1,282,488, 1,769,680.56 and 709,450.56 is: 978,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,488 : 1,769,680.56 = 709,450.56 : x
  2. Step 2: Convert to fraction form
    1,282,488/1,769,680.56 = 709,450.56/x
  3. Step 3: Cross multiply
    1,282,488x = 1,769,680.56 × 709,450.56
  4. Step 4: Simplify right side
    1,282,488x = 1,255,500,864,313.11
  5. Step 5: Solve for x
    x = 1,255,500,864,313.11/1,282,488
  6. Step 6: Final answer
    x = 978,957.20

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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.