Home / 1,045,620.40-1,568,430.60-987,559.60

Finding the Fourth Proportional to 1,045,620.40, 1,568,430.60 and 987,559.60

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Solution

The fourth proportional to 1,045,620.40, 1,568,430.60 and 987,559.60 is: 1,481,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,620.40 : 1,568,430.60 = 987,559.60 : x
  2. Step 2: Convert to fraction form
    1,045,620.40/1,568,430.60 = 987,559.60/x
  3. Step 3: Cross multiply
    1,045,620.40x = 1,568,430.60 × 987,559.60
  4. Step 4: Simplify right side
    1,045,620.40x = 1,548,918,695,963.76
  5. Step 5: Solve for x
    x = 1,548,918,695,963.76/1,045,620.40
  6. Step 6: Final answer
    x = 1,481,339.40

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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.