Home / 1,312,426.07-1,968,803.33-513,604.47

Finding the Fourth Proportional to 1,312,426.07, 1,968,803.33 and 513,604.47

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Solution

The fourth proportional to 1,312,426.07, 1,968,803.33 and 513,604.47 is: 770,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,426.07 : 1,968,803.33 = 513,604.47 : x
  2. Step 2: Convert to fraction form
    1,312,426.07/1,968,803.33 = 513,604.47/x
  3. Step 3: Cross multiply
    1,312,426.07x = 1,968,803.33 × 513,604.47
  4. Step 4: Simplify right side
    1,312,426.07x = 1,011,186,188,270.86
  5. Step 5: Solve for x
    x = 1,011,186,188,270.86/1,312,426.07
  6. Step 6: Final answer
    x = 770,470.97

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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.