Home / 1,541,102.76-2,311,670.03-688,217.87

Finding the Fourth Proportional to 1,541,102.76, 2,311,670.03 and 688,217.87

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Solution

The fourth proportional to 1,541,102.76, 2,311,670.03 and 688,217.87 is: 1,032,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,102.76 : 2,311,670.03 = 688,217.87 : x
  2. Step 2: Convert to fraction form
    1,541,102.76/2,311,670.03 = 688,217.87/x
  3. Step 3: Cross multiply
    1,541,102.76x = 2,311,670.03 × 688,217.87
  4. Step 4: Simplify right side
    1,541,102.76x = 1,590,932,631,689.16
  5. Step 5: Solve for x
    x = 1,590,932,631,689.16/1,541,102.76
  6. Step 6: Final answer
    x = 1,032,333.91

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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.