Home / 1,908,145.86-2,862,204.20-488,199.66

Finding the Fourth Proportional to 1,908,145.86, 2,862,204.20 and 488,199.66

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Solution

The fourth proportional to 1,908,145.86, 2,862,204.20 and 488,199.66 is: 732,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,145.86 : 2,862,204.20 = 488,199.66 : x
  2. Step 2: Convert to fraction form
    1,908,145.86/2,862,204.20 = 488,199.66/x
  3. Step 3: Cross multiply
    1,908,145.86x = 2,862,204.20 × 488,199.66
  4. Step 4: Simplify right side
    1,908,145.86x = 1,397,327,125,666.58
  5. Step 5: Solve for x
    x = 1,397,327,125,666.58/1,908,145.86
  6. Step 6: Final answer
    x = 732,295.76

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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.