Home / 1,231,151.10-1,846,899.45-389,615.10

Finding the Fourth Proportional to 1,231,151.10, 1,846,899.45 and 389,615.10

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Solution

The fourth proportional to 1,231,151.10, 1,846,899.45 and 389,615.10 is: 584,477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,151.10 : 1,846,899.45 = 389,615.10 : x
  2. Step 2: Convert to fraction form
    1,231,151.10/1,846,899.45 = 389,615.10/x
  3. Step 3: Cross multiply
    1,231,151.10x = 1,846,899.45 × 389,615.10
  4. Step 4: Simplify right side
    1,231,151.10x = 719,579,913,901.70
  5. Step 5: Solve for x
    x = 719,579,913,901.70/1,231,151.10
  6. Step 6: Final answer
    x = 584,477.33

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Double scale
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1.5x scale

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.