Home / 1,442,195.56-2,162,377.50-767,860.84

Finding the Fourth Proportional to 1,442,195.56, 2,162,377.50 and 767,860.84

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Solution

The fourth proportional to 1,442,195.56, 2,162,377.50 and 767,860.84 is: 1,151,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,195.56 : 2,162,377.50 = 767,860.84 : x
  2. Step 2: Convert to fraction form
    1,442,195.56/2,162,377.50 = 767,860.84/x
  3. Step 3: Cross multiply
    1,442,195.56x = 2,162,377.50 × 767,860.84
  4. Step 4: Simplify right side
    1,442,195.56x = 1,660,405,003,547.10
  5. Step 5: Solve for x
    x = 1,660,405,003,547.10/1,442,195.56
  6. Step 6: Final answer
    x = 1,151,303.64

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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.