Home / 1,260,573.75-1,890,877.01-419,125.50

Finding the Fourth Proportional to 1,260,573.75, 1,890,877.01 and 419,125.50

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Solution

The fourth proportional to 1,260,573.75, 1,890,877.01 and 419,125.50 is: 628,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,573.75 : 1,890,877.01 = 419,125.50 : x
  2. Step 2: Convert to fraction form
    1,260,573.75/1,890,877.01 = 419,125.50/x
  3. Step 3: Cross multiply
    1,260,573.75x = 1,890,877.01 × 419,125.50
  4. Step 4: Simplify right side
    1,260,573.75x = 792,514,770,159.13
  5. Step 5: Solve for x
    x = 792,514,770,159.13/1,260,573.75
  6. Step 6: Final answer
    x = 628,693.70

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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.