Home / 1,208,541.92-1,811,179.86-460,179.68

Finding the Fourth Proportional to 1,208,541.92, 1,811,179.86 and 460,179.68

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Solution

The fourth proportional to 1,208,541.92, 1,811,179.86 and 460,179.68 is: 689,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,541.92 : 1,811,179.86 = 460,179.68 : x
  2. Step 2: Convert to fraction form
    1,208,541.92/1,811,179.86 = 460,179.68/x
  3. Step 3: Cross multiply
    1,208,541.92x = 1,811,179.86 × 460,179.68
  4. Step 4: Simplify right side
    1,208,541.92x = 833,468,168,397.25
  5. Step 5: Solve for x
    x = 833,468,168,397.25/1,208,541.92
  6. Step 6: Final answer
    x = 689,647.71

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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.