Home / 1,320,157.13-1,980,662.15-610,650.59

Finding the Fourth Proportional to 1,320,157.13, 1,980,662.15 and 610,650.59

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Solution

The fourth proportional to 1,320,157.13, 1,980,662.15 and 610,650.59 is: 916,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,157.13 : 1,980,662.15 = 610,650.59 : x
  2. Step 2: Convert to fraction form
    1,320,157.13/1,980,662.15 = 610,650.59/x
  3. Step 3: Cross multiply
    1,320,157.13x = 1,980,662.15 × 610,650.59
  4. Step 4: Simplify right side
    1,320,157.13x = 1,209,492,500,584.86
  5. Step 5: Solve for x
    x = 1,209,492,500,584.86/1,320,157.13
  6. Step 6: Final answer
    x = 916,173.14

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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.