Home / 1,508,565.78-2,261,353.94-708,415.02

Finding the Fourth Proportional to 1,508,565.78, 2,261,353.94 and 708,415.02

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Solution

The fourth proportional to 1,508,565.78, 2,261,353.94 and 708,415.02 is: 1,061,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,565.78 : 2,261,353.94 = 708,415.02 : x
  2. Step 2: Convert to fraction form
    1,508,565.78/2,261,353.94 = 708,415.02/x
  3. Step 3: Cross multiply
    1,508,565.78x = 2,261,353.94 × 708,415.02
  4. Step 4: Simplify right side
    1,508,565.78x = 1,601,977,096,632.18
  5. Step 5: Solve for x
    x = 1,601,977,096,632.18/1,508,565.78
  6. Step 6: Final answer
    x = 1,061,920.61

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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.