Home / 1,310,487.78-1,809,031.14-881,017.01

Finding the Fourth Proportional to 1,310,487.78, 1,809,031.14 and 881,017.01

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Solution

The fourth proportional to 1,310,487.78, 1,809,031.14 and 881,017.01 is: 1,216,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,487.78 : 1,809,031.14 = 881,017.01 : x
  2. Step 2: Convert to fraction form
    1,310,487.78/1,809,031.14 = 881,017.01/x
  3. Step 3: Cross multiply
    1,310,487.78x = 1,809,031.14 × 881,017.01
  4. Step 4: Simplify right side
    1,310,487.78x = 1,593,787,205,959.69
  5. Step 5: Solve for x
    x = 1,593,787,205,959.69/1,310,487.78
  6. Step 6: Final answer
    x = 1,216,178.61

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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.