Home / 1,206,461.88-1,809,691.36-307,903.72

Finding the Fourth Proportional to 1,206,461.88, 1,809,691.36 and 307,903.72

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Solution

The fourth proportional to 1,206,461.88, 1,809,691.36 and 307,903.72 is: 461,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,461.88 : 1,809,691.36 = 307,903.72 : x
  2. Step 2: Convert to fraction form
    1,206,461.88/1,809,691.36 = 307,903.72/x
  3. Step 3: Cross multiply
    1,206,461.88x = 1,809,691.36 × 307,903.72
  4. Step 4: Simplify right side
    1,206,461.88x = 557,210,701,795.86
  5. Step 5: Solve for x
    x = 557,210,701,795.86/1,206,461.88
  6. Step 6: Final answer
    x = 461,855.21

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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.