Home / 1,340,673.90-2,011,010.85-1,242,258.90

Finding the Fourth Proportional to 1,340,673.90, 2,011,010.85 and 1,242,258.90

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Solution

The fourth proportional to 1,340,673.90, 2,011,010.85 and 1,242,258.90 is: 1,863,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,673.90 : 2,011,010.85 = 1,242,258.90 : x
  2. Step 2: Convert to fraction form
    1,340,673.90/2,011,010.85 = 1,242,258.90/x
  3. Step 3: Cross multiply
    1,340,673.90x = 2,011,010.85 × 1,242,258.90
  4. Step 4: Simplify right side
    1,340,673.90x = 2,498,196,126,409.07
  5. Step 5: Solve for x
    x = 2,498,196,126,409.07/1,340,673.90
  6. Step 6: Final answer
    x = 1,863,388.35

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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.