Home / 1,282,362.66-1,769,712.58-709,392.96

Finding the Fourth Proportional to 1,282,362.66, 1,769,712.58 and 709,392.96

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Solution

The fourth proportional to 1,282,362.66, 1,769,712.58 and 709,392.96 is: 978,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,362.66 : 1,769,712.58 = 709,392.96 : x
  2. Step 2: Convert to fraction form
    1,282,362.66/1,769,712.58 = 709,392.96/x
  3. Step 3: Cross multiply
    1,282,362.66x = 1,769,712.58 × 709,392.96
  4. Step 4: Simplify right side
    1,282,362.66x = 1,255,421,645,475.44
  5. Step 5: Solve for x
    x = 1,255,421,645,475.44/1,282,362.66
  6. Step 6: Final answer
    x = 978,991.11

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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.