Home / 1,047,015.29-1,570,335.81-278,517.15

Finding the Fourth Proportional to 1,047,015.29, 1,570,335.81 and 278,517.15

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Solution

The fourth proportional to 1,047,015.29, 1,570,335.81 and 278,517.15 is: 417,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,015.29 : 1,570,335.81 = 278,517.15 : x
  2. Step 2: Convert to fraction form
    1,047,015.29/1,570,335.81 = 278,517.15/x
  3. Step 3: Cross multiply
    1,047,015.29x = 1,570,335.81 × 278,517.15
  4. Step 4: Simplify right side
    1,047,015.29x = 437,365,454,344.14
  5. Step 5: Solve for x
    x = 437,365,454,344.14/1,047,015.29
  6. Step 6: Final answer
    x = 417,725.95

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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.