Home / 842,488.40-1,263,732.60-653,531.60

Finding the Fourth Proportional to 842,488.40, 1,263,732.60 and 653,531.60

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Solution

The fourth proportional to 842,488.40, 1,263,732.60 and 653,531.60 is: 980,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,488.40 : 1,263,732.60 = 653,531.60 : x
  2. Step 2: Convert to fraction form
    842,488.40/1,263,732.60 = 653,531.60/x
  3. Step 3: Cross multiply
    842,488.40x = 1,263,732.60 × 653,531.60
  4. Step 4: Simplify right side
    842,488.40x = 825,889,188,050.16
  5. Step 5: Solve for x
    x = 825,889,188,050.16/842,488.40
  6. Step 6: Final answer
    x = 980,297.40

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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.