Home / 1,079,181.90-1,619,226.45-579,962.70

Finding the Fourth Proportional to 1,079,181.90, 1,619,226.45 and 579,962.70

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Solution

The fourth proportional to 1,079,181.90, 1,619,226.45 and 579,962.70 is: 870,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,181.90 : 1,619,226.45 = 579,962.70 : x
  2. Step 2: Convert to fraction form
    1,079,181.90/1,619,226.45 = 579,962.70/x
  3. Step 3: Cross multiply
    1,079,181.90x = 1,619,226.45 × 579,962.70
  4. Step 4: Simplify right side
    1,079,181.90x = 939,090,943,853.42
  5. Step 5: Solve for x
    x = 939,090,943,853.42/1,079,181.90
  6. Step 6: Final answer
    x = 870,187.82

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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.