Home / 1,508,561.78-2,261,347.94-708,411.02

Finding the Fourth Proportional to 1,508,561.78, 2,261,347.94 and 708,411.02

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Solution

The fourth proportional to 1,508,561.78, 2,261,347.94 and 708,411.02 is: 1,061,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,561.78 : 2,261,347.94 = 708,411.02 : x
  2. Step 2: Convert to fraction form
    1,508,561.78/2,261,347.94 = 708,411.02/x
  3. Step 3: Cross multiply
    1,508,561.78x = 2,261,347.94 × 708,411.02
  4. Step 4: Simplify right side
    1,508,561.78x = 1,601,963,800,750.30
  5. Step 5: Solve for x
    x = 1,601,963,800,750.30/1,508,561.78
  6. Step 6: Final answer
    x = 1,061,914.61

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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.