Home / 1,316,222.78-1,974,454.66-369,587.12

Finding the Fourth Proportional to 1,316,222.78, 1,974,454.66 and 369,587.12

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Solution

The fourth proportional to 1,316,222.78, 1,974,454.66 and 369,587.12 is: 554,414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,222.78 : 1,974,454.66 = 369,587.12 : x
  2. Step 2: Convert to fraction form
    1,316,222.78/1,974,454.66 = 369,587.12/x
  3. Step 3: Cross multiply
    1,316,222.78x = 1,974,454.66 × 369,587.12
  4. Step 4: Simplify right side
    1,316,222.78x = 729,733,011,359.98
  5. Step 5: Solve for x
    x = 729,733,011,359.98/1,316,222.78
  6. Step 6: Final answer
    x = 554,414.51

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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.