Home / 1,500,088.94-2,070,128.19-811,760.73

Finding the Fourth Proportional to 1,500,088.94, 2,070,128.19 and 811,760.73

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Solution

The fourth proportional to 1,500,088.94, 2,070,128.19 and 811,760.73 is: 1,120,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,088.94 : 2,070,128.19 = 811,760.73 : x
  2. Step 2: Convert to fraction form
    1,500,088.94/2,070,128.19 = 811,760.73/x
  3. Step 3: Cross multiply
    1,500,088.94x = 2,070,128.19 × 811,760.73
  4. Step 4: Simplify right side
    1,500,088.94x = 1,680,448,770,707.98
  5. Step 5: Solve for x
    x = 1,680,448,770,707.98/1,500,088.94
  6. Step 6: Final answer
    x = 1,120,232.76

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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.