Home / 943,983.60-1,415,975.40-680,231.40

Finding the Fourth Proportional to 943,983.60, 1,415,975.40 and 680,231.40

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Solution

The fourth proportional to 943,983.60, 1,415,975.40 and 680,231.40 is: 1,020,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,983.60 : 1,415,975.40 = 680,231.40 : x
  2. Step 2: Convert to fraction form
    943,983.60/1,415,975.40 = 680,231.40/x
  3. Step 3: Cross multiply
    943,983.60x = 1,415,975.40 × 680,231.40
  4. Step 4: Simplify right side
    943,983.60x = 963,190,928,707.56
  5. Step 5: Solve for x
    x = 963,190,928,707.56/943,983.60
  6. Step 6: Final answer
    x = 1,020,347.10

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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.