Home / 1,305,444.15-1,957,722.78-452,316.72

Finding the Fourth Proportional to 1,305,444.15, 1,957,722.78 and 452,316.72

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Solution

The fourth proportional to 1,305,444.15, 1,957,722.78 and 452,316.72 is: 678,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,444.15 : 1,957,722.78 = 452,316.72 : x
  2. Step 2: Convert to fraction form
    1,305,444.15/1,957,722.78 = 452,316.72/x
  3. Step 3: Cross multiply
    1,305,444.15x = 1,957,722.78 × 452,316.72
  4. Step 4: Simplify right side
    1,305,444.15x = 885,510,746,518.88
  5. Step 5: Solve for x
    x = 885,510,746,518.88/1,305,444.15
  6. Step 6: Final answer
    x = 678,321.43

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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.