Home / 1,106,646.30-1,661,524.65-686,742.30

Finding the Fourth Proportional to 1,106,646.30, 1,661,524.65 and 686,742.30

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Solution

The fourth proportional to 1,106,646.30, 1,661,524.65 and 686,742.30 is: 1,031,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,646.30 : 1,661,524.65 = 686,742.30 : x
  2. Step 2: Convert to fraction form
    1,106,646.30/1,661,524.65 = 686,742.30/x
  3. Step 3: Cross multiply
    1,106,646.30x = 1,661,524.65 × 686,742.30
  4. Step 4: Simplify right side
    1,106,646.30x = 1,141,039,259,647.70
  5. Step 5: Solve for x
    x = 1,141,039,259,647.70/1,106,646.30
  6. Step 6: Final answer
    x = 1,031,078.55

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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.