Home / 1,911,123-2,867,829.23-713,886.71

Finding the Fourth Proportional to 1,911,123, 2,867,829.23 and 713,886.71

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Solution

The fourth proportional to 1,911,123, 2,867,829.23 and 713,886.71 is: 1,071,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,123 : 2,867,829.23 = 713,886.71 : x
  2. Step 2: Convert to fraction form
    1,911,123/2,867,829.23 = 713,886.71/x
  3. Step 3: Cross multiply
    1,911,123x = 2,867,829.23 × 713,886.71
  4. Step 4: Simplify right side
    1,911,123x = 2,047,305,161,292.10
  5. Step 5: Solve for x
    x = 2,047,305,161,292.10/1,911,123
  6. Step 6: Final answer
    x = 1,071,257.66

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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.