Home / 1,087,785.83-1,501,056.33-628,929.87

Finding the Fourth Proportional to 1,087,785.83, 1,501,056.33 and 628,929.87

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Solution

The fourth proportional to 1,087,785.83, 1,501,056.33 and 628,929.87 is: 867,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,785.83 : 1,501,056.33 = 628,929.87 : x
  2. Step 2: Convert to fraction form
    1,087,785.83/1,501,056.33 = 628,929.87/x
  3. Step 3: Cross multiply
    1,087,785.83x = 1,501,056.33 × 628,929.87
  4. Step 4: Simplify right side
    1,087,785.83x = 944,059,162,489.58
  5. Step 5: Solve for x
    x = 944,059,162,489.58/1,087,785.83
  6. Step 6: Final answer
    x = 867,872.27

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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.