Home / 1,631,313-2,447,489.52-684,429.48

Finding the Fourth Proportional to 1,631,313, 2,447,489.52 and 684,429.48

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Solution

The fourth proportional to 1,631,313, 2,447,489.52 and 684,429.48 is: 1,026,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,313 : 2,447,489.52 = 684,429.48 : x
  2. Step 2: Convert to fraction form
    1,631,313/2,447,489.52 = 684,429.48/x
  3. Step 3: Cross multiply
    1,631,313x = 2,447,489.52 × 684,429.48
  4. Step 4: Simplify right side
    1,631,313x = 1,675,133,979,479.05
  5. Step 5: Solve for x
    x = 1,675,133,979,479.05/1,631,313
  6. Step 6: Final answer
    x = 1,026,862.40

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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.