Home / 1,281,917.80-1,922,270.73-383,045.68

Finding the Fourth Proportional to 1,281,917.80, 1,922,270.73 and 383,045.68

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Solution

The fourth proportional to 1,281,917.80, 1,922,270.73 and 383,045.68 is: 574,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,917.80 : 1,922,270.73 = 383,045.68 : x
  2. Step 2: Convert to fraction form
    1,281,917.80/1,922,270.73 = 383,045.68/x
  3. Step 3: Cross multiply
    1,281,917.80x = 1,922,270.73 × 383,045.68
  4. Step 4: Simplify right side
    1,281,917.80x = 736,317,498,916.95
  5. Step 5: Solve for x
    x = 736,317,498,916.95/1,281,917.80
  6. Step 6: Final answer
    x = 574,387.45

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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.