Home / 1,782,130.70-2,673,196.05-520,085.90

Finding the Fourth Proportional to 1,782,130.70, 2,673,196.05 and 520,085.90

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Solution

The fourth proportional to 1,782,130.70, 2,673,196.05 and 520,085.90 is: 780,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,130.70 : 2,673,196.05 = 520,085.90 : x
  2. Step 2: Convert to fraction form
    1,782,130.70/2,673,196.05 = 520,085.90/x
  3. Step 3: Cross multiply
    1,782,130.70x = 2,673,196.05 × 520,085.90
  4. Step 4: Simplify right side
    1,782,130.70x = 1,390,291,573,540.70
  5. Step 5: Solve for x
    x = 1,390,291,573,540.70/1,782,130.70
  6. Step 6: Final answer
    x = 780,128.85

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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.