Home / 1,145,728.46-1,718,594.94-426,227.93

Finding the Fourth Proportional to 1,145,728.46, 1,718,594.94 and 426,227.93

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Solution

The fourth proportional to 1,145,728.46, 1,718,594.94 and 426,227.93 is: 639,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,728.46 : 1,718,594.94 = 426,227.93 : x
  2. Step 2: Convert to fraction form
    1,145,728.46/1,718,594.94 = 426,227.93/x
  3. Step 3: Cross multiply
    1,145,728.46x = 1,718,594.94 × 426,227.93
  4. Step 4: Simplify right side
    1,145,728.46x = 732,513,163,784.67
  5. Step 5: Solve for x
    x = 732,513,163,784.67/1,145,728.46
  6. Step 6: Final answer
    x = 639,342.73

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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.