Home / 1,911,828.64-2,867,743.04-713,844.40

Finding the Fourth Proportional to 1,911,828.64, 2,867,743.04 and 713,844.40

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Solution

The fourth proportional to 1,911,828.64, 2,867,743.04 and 713,844.40 is: 1,070,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,828.64 : 2,867,743.04 = 713,844.40 : x
  2. Step 2: Convert to fraction form
    1,911,828.64/2,867,743.04 = 713,844.40/x
  3. Step 3: Cross multiply
    1,911,828.64x = 2,867,743.04 × 713,844.40
  4. Step 4: Simplify right side
    1,911,828.64x = 2,047,122,309,742.98
  5. Step 5: Solve for x
    x = 2,047,122,309,742.98/1,911,828.64
  6. Step 6: Final answer
    x = 1,070,766.63

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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.