Home / 1,342,640.15-2,013,960.23-811,798.55

Finding the Fourth Proportional to 1,342,640.15, 2,013,960.23 and 811,798.55

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Solution

The fourth proportional to 1,342,640.15, 2,013,960.23 and 811,798.55 is: 1,217,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,640.15 : 2,013,960.23 = 811,798.55 : x
  2. Step 2: Convert to fraction form
    1,342,640.15/2,013,960.23 = 811,798.55/x
  3. Step 3: Cross multiply
    1,342,640.15x = 2,013,960.23 × 811,798.55
  4. Step 4: Simplify right side
    1,342,640.15x = 1,634,929,994,471.67
  5. Step 5: Solve for x
    x = 1,634,929,994,471.67/1,342,640.15
  6. Step 6: Final answer
    x = 1,217,697.83

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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.