Home / 1,868,034.57-2,802,125.66-520,314.95

Finding the Fourth Proportional to 1,868,034.57, 2,802,125.66 and 520,314.95

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Solution

The fourth proportional to 1,868,034.57, 2,802,125.66 and 520,314.95 is: 780,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,034.57 : 2,802,125.66 = 520,314.95 : x
  2. Step 2: Convert to fraction form
    1,868,034.57/2,802,125.66 = 520,314.95/x
  3. Step 3: Cross multiply
    1,868,034.57x = 2,802,125.66 × 520,314.95
  4. Step 4: Simplify right side
    1,868,034.57x = 1,457,987,872,676.62
  5. Step 5: Solve for x
    x = 1,457,987,872,676.62/1,868,034.57
  6. Step 6: Final answer
    x = 780,492.98

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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.