Home / 1,220,252.85-1,830,472.83-410,641.25

Finding the Fourth Proportional to 1,220,252.85, 1,830,472.83 and 410,641.25

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Solution

The fourth proportional to 1,220,252.85, 1,830,472.83 and 410,641.25 is: 615,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,252.85 : 1,830,472.83 = 410,641.25 : x
  2. Step 2: Convert to fraction form
    1,220,252.85/1,830,472.83 = 410,641.25/x
  3. Step 3: Cross multiply
    1,220,252.85x = 1,830,472.83 × 410,641.25
  4. Step 4: Simplify right side
    1,220,252.85x = 751,667,641,849.87
  5. Step 5: Solve for x
    x = 751,667,641,849.87/1,220,252.85
  6. Step 6: Final answer
    x = 615,993.35

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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.