Home / 1,087,885.86-1,631,265.62-488,330.74

Finding the Fourth Proportional to 1,087,885.86, 1,631,265.62 and 488,330.74

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Solution

The fourth proportional to 1,087,885.86, 1,631,265.62 and 488,330.74 is: 732,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,885.86 : 1,631,265.62 = 488,330.74 : x
  2. Step 2: Convert to fraction form
    1,087,885.86/1,631,265.62 = 488,330.74/x
  3. Step 3: Cross multiply
    1,087,885.86x = 1,631,265.62 × 488,330.74
  4. Step 4: Simplify right side
    1,087,885.86x = 796,597,146,948.59
  5. Step 5: Solve for x
    x = 796,597,146,948.59/1,087,885.86
  6. Step 6: Final answer
    x = 732,243.32

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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.