Home / 1,097,489.90-1,643,282.40-859,325.60

Finding the Fourth Proportional to 1,097,489.90, 1,643,282.40 and 859,325.60

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Solution

The fourth proportional to 1,097,489.90, 1,643,282.40 and 859,325.60 is: 1,286,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,489.90 : 1,643,282.40 = 859,325.60 : x
  2. Step 2: Convert to fraction form
    1,097,489.90/1,643,282.40 = 859,325.60/x
  3. Step 3: Cross multiply
    1,097,489.90x = 1,643,282.40 × 859,325.60
  4. Step 4: Simplify right side
    1,097,489.90x = 1,412,114,634,349.44
  5. Step 5: Solve for x
    x = 1,412,114,634,349.44/1,097,489.90
  6. Step 6: Final answer
    x = 1,286,676.66

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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.