Home / 1,316,342.82-1,974,588.08-369,639.72

Finding the Fourth Proportional to 1,316,342.82, 1,974,588.08 and 369,639.72

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Solution

The fourth proportional to 1,316,342.82, 1,974,588.08 and 369,639.72 is: 554,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,342.82 : 1,974,588.08 = 369,639.72 : x
  2. Step 2: Convert to fraction form
    1,316,342.82/1,974,588.08 = 369,639.72/x
  3. Step 3: Cross multiply
    1,316,342.82x = 1,974,588.08 × 369,639.72
  4. Step 4: Simplify right side
    1,316,342.82x = 729,886,185,006.54
  5. Step 5: Solve for x
    x = 729,886,185,006.54/1,316,342.82
  6. Step 6: Final answer
    x = 554,480.32

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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.