Home / 981,051.54-1,353,008.07-636,548.01

Finding the Fourth Proportional to 981,051.54, 1,353,008.07 and 636,548.01

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Solution

The fourth proportional to 981,051.54, 1,353,008.07 and 636,548.01 is: 877,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,051.54 : 1,353,008.07 = 636,548.01 : x
  2. Step 2: Convert to fraction form
    981,051.54/1,353,008.07 = 636,548.01/x
  3. Step 3: Cross multiply
    981,051.54x = 1,353,008.07 × 636,548.01
  4. Step 4: Simplify right side
    981,051.54x = 861,254,594,472.44
  5. Step 5: Solve for x
    x = 861,254,594,472.44/981,051.54
  6. Step 6: Final answer
    x = 877,889.24

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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.