Home / 1,678,076.19-2,516,142.29-1,146,239.91

Finding the Fourth Proportional to 1,678,076.19, 2,516,142.29 and 1,146,239.91

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Solution

The fourth proportional to 1,678,076.19, 2,516,142.29 and 1,146,239.91 is: 1,718,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,076.19 : 2,516,142.29 = 1,146,239.91 : x
  2. Step 2: Convert to fraction form
    1,678,076.19/2,516,142.29 = 1,146,239.91/x
  3. Step 3: Cross multiply
    1,678,076.19x = 2,516,142.29 × 1,146,239.91
  4. Step 4: Simplify right side
    1,678,076.19x = 2,884,102,706,305.59
  5. Step 5: Solve for x
    x = 2,884,102,706,305.59/1,678,076.19
  6. Step 6: Final answer
    x = 1,718,695.92

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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.