Home / 1,800,084.74-2,699,726.70-520,412.72

Finding the Fourth Proportional to 1,800,084.74, 2,699,726.70 and 520,412.72

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Solution

The fourth proportional to 1,800,084.74, 2,699,726.70 and 520,412.72 is: 780,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,084.74 : 2,699,726.70 = 520,412.72 : x
  2. Step 2: Convert to fraction form
    1,800,084.74/2,699,726.70 = 520,412.72/x
  3. Step 3: Cross multiply
    1,800,084.74x = 2,699,726.70 × 520,412.72
  4. Step 4: Simplify right side
    1,800,084.74x = 1,404,972,115,203.62
  5. Step 5: Solve for x
    x = 1,404,972,115,203.62/1,800,084.74
  6. Step 6: Final answer
    x = 780,503.32

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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.