Home / 1,095,972.34-1,643,958.78-717,212.02

Finding the Fourth Proportional to 1,095,972.34, 1,643,958.78 and 717,212.02

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Solution

The fourth proportional to 1,095,972.34, 1,643,958.78 and 717,212.02 is: 1,075,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,972.34 : 1,643,958.78 = 717,212.02 : x
  2. Step 2: Convert to fraction form
    1,095,972.34/1,643,958.78 = 717,212.02/x
  3. Step 3: Cross multiply
    1,095,972.34x = 1,643,958.78 × 717,212.02
  4. Step 4: Simplify right side
    1,095,972.34x = 1,179,066,997,400.54
  5. Step 5: Solve for x
    x = 1,179,066,997,400.54/1,095,972.34
  6. Step 6: Final answer
    x = 1,075,818.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.