Home / 851,026.30-1,276,539.45-768,082.30

Finding the Fourth Proportional to 851,026.30, 1,276,539.45 and 768,082.30

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Solution

The fourth proportional to 851,026.30, 1,276,539.45 and 768,082.30 is: 1,152,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,026.30 : 1,276,539.45 = 768,082.30 : x
  2. Step 2: Convert to fraction form
    851,026.30/1,276,539.45 = 768,082.30/x
  3. Step 3: Cross multiply
    851,026.30x = 1,276,539.45 × 768,082.30
  4. Step 4: Simplify right side
    851,026.30x = 980,487,356,796.74
  5. Step 5: Solve for x
    x = 980,487,356,796.74/851,026.30
  6. Step 6: Final answer
    x = 1,152,123.45

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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.