Home / 859,559.40-1,286,714.70-670,602.60

Finding the Fourth Proportional to 859,559.40, 1,286,714.70 and 670,602.60

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Solution

The fourth proportional to 859,559.40, 1,286,714.70 and 670,602.60 is: 1,003,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,559.40 : 1,286,714.70 = 670,602.60 : x
  2. Step 2: Convert to fraction form
    859,559.40/1,286,714.70 = 670,602.60/x
  3. Step 3: Cross multiply
    859,559.40x = 1,286,714.70 × 670,602.60
  4. Step 4: Simplify right side
    859,559.40x = 862,874,223,278.22
  5. Step 5: Solve for x
    x = 862,874,223,278.22/859,559.40
  6. Step 6: Final answer
    x = 1,003,856.42

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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.