Home / 1,040,613.60-1,560,963.60-330,621.60

Finding the Fourth Proportional to 1,040,613.60, 1,560,963.60 and 330,621.60

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Solution

The fourth proportional to 1,040,613.60, 1,560,963.60 and 330,621.60 is: 495,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,613.60 : 1,560,963.60 = 330,621.60 : x
  2. Step 2: Convert to fraction form
    1,040,613.60/1,560,963.60 = 330,621.60/x
  3. Step 3: Cross multiply
    1,040,613.60x = 1,560,963.60 × 330,621.60
  4. Step 4: Simplify right side
    1,040,613.60x = 516,088,282,973.76
  5. Step 5: Solve for x
    x = 516,088,282,973.76/1,040,613.60
  6. Step 6: Final answer
    x = 495,946.13

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1.5x scale

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.