Home / 1,307,780.64-1,961,707.77-361,151.37

Finding the Fourth Proportional to 1,307,780.64, 1,961,707.77 and 361,151.37

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Solution

The fourth proportional to 1,307,780.64, 1,961,707.77 and 361,151.37 is: 541,737.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,780.64 : 1,961,707.77 = 361,151.37 : x
  2. Step 2: Convert to fraction form
    1,307,780.64/1,961,707.77 = 361,151.37/x
  3. Step 3: Cross multiply
    1,307,780.64x = 1,961,707.77 × 361,151.37
  4. Step 4: Simplify right side
    1,307,780.64x = 708,473,448,675.15
  5. Step 5: Solve for x
    x = 708,473,448,675.15/1,307,780.64
  6. Step 6: Final answer
    x = 541,737.22

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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.