Home / 1,187,863.20-1,781,605.20-346,218.08

Finding the Fourth Proportional to 1,187,863.20, 1,781,605.20 and 346,218.08

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Solution

The fourth proportional to 1,187,863.20, 1,781,605.20 and 346,218.08 is: 519,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,863.20 : 1,781,605.20 = 346,218.08 : x
  2. Step 2: Convert to fraction form
    1,187,863.20/1,781,605.20 = 346,218.08/x
  3. Step 3: Cross multiply
    1,187,863.20x = 1,781,605.20 × 346,218.08
  4. Step 4: Simplify right side
    1,187,863.20x = 616,823,931,662.02
  5. Step 5: Solve for x
    x = 616,823,931,662.02/1,187,863.20
  6. Step 6: Final answer
    x = 519,271.86

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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.