Home / 1,276,016.40-1,912,937.40-565,657.20

Finding the Fourth Proportional to 1,276,016.40, 1,912,937.40 and 565,657.20

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Solution

The fourth proportional to 1,276,016.40, 1,912,937.40 and 565,657.20 is: 848,003.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,016.40 : 1,912,937.40 = 565,657.20 : x
  2. Step 2: Convert to fraction form
    1,276,016.40/1,912,937.40 = 565,657.20/x
  3. Step 3: Cross multiply
    1,276,016.40x = 1,912,937.40 × 565,657.20
  4. Step 4: Simplify right side
    1,276,016.40x = 1,082,066,813,459.28
  5. Step 5: Solve for x
    x = 1,082,066,813,459.28/1,276,016.40
  6. Step 6: Final answer
    x = 848,003.84

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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.