Home / 1,139,103.75-1,708,657.28-465,185.05

Finding the Fourth Proportional to 1,139,103.75, 1,708,657.28 and 465,185.05

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Solution

The fourth proportional to 1,139,103.75, 1,708,657.28 and 465,185.05 is: 697,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,103.75 : 1,708,657.28 = 465,185.05 : x
  2. Step 2: Convert to fraction form
    1,139,103.75/1,708,657.28 = 465,185.05/x
  3. Step 3: Cross multiply
    1,139,103.75x = 1,708,657.28 × 465,185.05
  4. Step 4: Simplify right side
    1,139,103.75x = 794,841,826,987.74
  5. Step 5: Solve for x
    x = 794,841,826,987.74/1,139,103.75
  6. Step 6: Final answer
    x = 697,778.26

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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.