Home / 1,263,550.40-1,896,178.48-494,952.80

Finding the Fourth Proportional to 1,263,550.40, 1,896,178.48 and 494,952.80

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Solution

The fourth proportional to 1,263,550.40, 1,896,178.48 and 494,952.80 is: 742,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,550.40 : 1,896,178.48 = 494,952.80 : x
  2. Step 2: Convert to fraction form
    1,263,550.40/1,896,178.48 = 494,952.80/x
  3. Step 3: Cross multiply
    1,263,550.40x = 1,896,178.48 × 494,952.80
  4. Step 4: Simplify right side
    1,263,550.40x = 938,518,847,975.74
  5. Step 5: Solve for x
    x = 938,518,847,975.74/1,263,550.40
  6. Step 6: Final answer
    x = 742,763.29

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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.