Home / 1,228,935.80-1,843,403.70-342,471.80

Finding the Fourth Proportional to 1,228,935.80, 1,843,403.70 and 342,471.80

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Solution

The fourth proportional to 1,228,935.80, 1,843,403.70 and 342,471.80 is: 513,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,935.80 : 1,843,403.70 = 342,471.80 : x
  2. Step 2: Convert to fraction form
    1,228,935.80/1,843,403.70 = 342,471.80/x
  3. Step 3: Cross multiply
    1,228,935.80x = 1,843,403.70 × 342,471.80
  4. Step 4: Simplify right side
    1,228,935.80x = 631,313,783,265.66
  5. Step 5: Solve for x
    x = 631,313,783,265.66/1,228,935.80
  6. Step 6: Final answer
    x = 513,707.70

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1.5x scale

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.