Home / 1,316,382.84-1,974,647.88-369,679.68

Finding the Fourth Proportional to 1,316,382.84, 1,974,647.88 and 369,679.68

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Solution

The fourth proportional to 1,316,382.84, 1,974,647.88 and 369,679.68 is: 554,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,382.84 : 1,974,647.88 = 369,679.68 : x
  2. Step 2: Convert to fraction form
    1,316,382.84/1,974,647.88 = 369,679.68/x
  3. Step 3: Cross multiply
    1,316,382.84x = 1,974,647.88 × 369,679.68
  4. Step 4: Simplify right side
    1,316,382.84x = 729,987,196,391.08
  5. Step 5: Solve for x
    x = 729,987,196,391.08/1,316,382.84
  6. Step 6: Final answer
    x = 554,540.19

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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.