Home / 1,118,261.55-1,542,995.95-659,519.67

Finding the Fourth Proportional to 1,118,261.55, 1,542,995.95 and 659,519.67

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Solution

The fourth proportional to 1,118,261.55, 1,542,995.95 and 659,519.67 is: 910,016.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,261.55 : 1,542,995.95 = 659,519.67 : x
  2. Step 2: Convert to fraction form
    1,118,261.55/1,542,995.95 = 659,519.67/x
  3. Step 3: Cross multiply
    1,118,261.55x = 1,542,995.95 × 659,519.67
  4. Step 4: Simplify right side
    1,118,261.55x = 1,017,636,185,129.37
  5. Step 5: Solve for x
    x = 1,017,636,185,129.37/1,118,261.55
  6. Step 6: Final answer
    x = 910,016.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.