Home / 1,267,317.71-1,901,000.87-414,392.57

Finding the Fourth Proportional to 1,267,317.71, 1,901,000.87 and 414,392.57

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Solution

The fourth proportional to 1,267,317.71, 1,901,000.87 and 414,392.57 is: 621,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,317.71 : 1,901,000.87 = 414,392.57 : x
  2. Step 2: Convert to fraction form
    1,267,317.71/1,901,000.87 = 414,392.57/x
  3. Step 3: Cross multiply
    1,267,317.71x = 1,901,000.87 × 414,392.57
  4. Step 4: Simplify right side
    1,267,317.71x = 787,760,634,019.57
  5. Step 5: Solve for x
    x = 787,760,634,019.57/1,267,317.71
  6. Step 6: Final answer
    x = 621,596.80

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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.