Home / 1,787,281.22-2,679,415.11-775,641.14

Finding the Fourth Proportional to 1,787,281.22, 2,679,415.11 and 775,641.14

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Solution

The fourth proportional to 1,787,281.22, 2,679,415.11 and 775,641.14 is: 1,162,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,281.22 : 2,679,415.11 = 775,641.14 : x
  2. Step 2: Convert to fraction form
    1,787,281.22/2,679,415.11 = 775,641.14/x
  3. Step 3: Cross multiply
    1,787,281.22x = 2,679,415.11 × 775,641.14
  4. Step 4: Simplify right side
    1,787,281.22x = 2,078,264,597,152.16
  5. Step 5: Solve for x
    x = 2,078,264,597,152.16/1,787,281.22
  6. Step 6: Final answer
    x = 1,162,807.83

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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.