Home / 1,368,742.43-2,054,888.54-916,228.74

Finding the Fourth Proportional to 1,368,742.43, 2,054,888.54 and 916,228.74

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Solution

The fourth proportional to 1,368,742.43, 2,054,888.54 and 916,228.74 is: 1,375,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,742.43 : 2,054,888.54 = 916,228.74 : x
  2. Step 2: Convert to fraction form
    1,368,742.43/2,054,888.54 = 916,228.74/x
  3. Step 3: Cross multiply
    1,368,742.43x = 2,054,888.54 × 916,228.74
  4. Step 4: Simplify right side
    1,368,742.43x = 1,882,747,933,263.50
  5. Step 5: Solve for x
    x = 1,882,747,933,263.50/1,368,742.43
  6. Step 6: Final answer
    x = 1,375,531.22

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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.