Home / 1,230,884.10-1,846,141.47-389,326.50

Finding the Fourth Proportional to 1,230,884.10, 1,846,141.47 and 389,326.50

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Solution

The fourth proportional to 1,230,884.10, 1,846,141.47 and 389,326.50 is: 583,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,884.10 : 1,846,141.47 = 389,326.50 : x
  2. Step 2: Convert to fraction form
    1,230,884.10/1,846,141.47 = 389,326.50/x
  3. Step 3: Cross multiply
    1,230,884.10x = 1,846,141.47 × 389,326.50
  4. Step 4: Simplify right side
    1,230,884.10x = 718,751,797,019.96
  5. Step 5: Solve for x
    x = 718,751,797,019.96/1,230,884.10
  6. Step 6: Final answer
    x = 583,931.34

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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.