Home / 1,407,525.26-1,942,210.85-999,478.44

Finding the Fourth Proportional to 1,407,525.26, 1,942,210.85 and 999,478.44

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Solution

The fourth proportional to 1,407,525.26, 1,942,210.85 and 999,478.44 is: 1,379,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,525.26 : 1,942,210.85 = 999,478.44 : x
  2. Step 2: Convert to fraction form
    1,407,525.26/1,942,210.85 = 999,478.44/x
  3. Step 3: Cross multiply
    1,407,525.26x = 1,942,210.85 × 999,478.44
  4. Step 4: Simplify right side
    1,407,525.26x = 1,941,197,865,511.68
  5. Step 5: Solve for x
    x = 1,941,197,865,511.68/1,407,525.26
  6. Step 6: Final answer
    x = 1,379,156.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.