Home / 995,455.20-1,493,182.80-640,869.60

Finding the Fourth Proportional to 995,455.20, 1,493,182.80 and 640,869.60

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Solution

The fourth proportional to 995,455.20, 1,493,182.80 and 640,869.60 is: 961,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,455.20 : 1,493,182.80 = 640,869.60 : x
  2. Step 2: Convert to fraction form
    995,455.20/1,493,182.80 = 640,869.60/x
  3. Step 3: Cross multiply
    995,455.20x = 1,493,182.80 × 640,869.60
  4. Step 4: Simplify right side
    995,455.20x = 956,935,463,762.88
  5. Step 5: Solve for x
    x = 956,935,463,762.88/995,455.20
  6. Step 6: Final answer
    x = 961,304.40

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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.