Home / 1,161,787.76-1,742,789.16-451,869.68

Finding the Fourth Proportional to 1,161,787.76, 1,742,789.16 and 451,869.68

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Solution

The fourth proportional to 1,161,787.76, 1,742,789.16 and 451,869.68 is: 677,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,787.76 : 1,742,789.16 = 451,869.68 : x
  2. Step 2: Convert to fraction form
    1,161,787.76/1,742,789.16 = 451,869.68/x
  3. Step 3: Cross multiply
    1,161,787.76x = 1,742,789.16 × 451,869.68
  4. Step 4: Simplify right side
    1,161,787.76x = 787,513,580,036.67
  5. Step 5: Solve for x
    x = 787,513,580,036.67/1,161,787.76
  6. Step 6: Final answer
    x = 677,846.34

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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.