Home / 1,281,611.18-1,768,367.40-708,540.50

Finding the Fourth Proportional to 1,281,611.18, 1,768,367.40 and 708,540.50

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Solution

The fourth proportional to 1,281,611.18, 1,768,367.40 and 708,540.50 is: 977,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,611.18 : 1,768,367.40 = 708,540.50 : x
  2. Step 2: Convert to fraction form
    1,281,611.18/1,768,367.40 = 708,540.50/x
  3. Step 3: Cross multiply
    1,281,611.18x = 1,768,367.40 × 708,540.50
  4. Step 4: Simplify right side
    1,281,611.18x = 1,252,959,921,779.70
  5. Step 5: Solve for x
    x = 1,252,959,921,779.70/1,281,611.18
  6. Step 6: Final answer
    x = 977,644.34

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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.