Home / 1,038,661.60-1,558,138.20-328,615.60

Finding the Fourth Proportional to 1,038,661.60, 1,558,138.20 and 328,615.60

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Solution

The fourth proportional to 1,038,661.60, 1,558,138.20 and 328,615.60 is: 492,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,661.60 : 1,558,138.20 = 328,615.60 : x
  2. Step 2: Convert to fraction form
    1,038,661.60/1,558,138.20 = 328,615.60/x
  3. Step 3: Cross multiply
    1,038,661.60x = 1,558,138.20 × 328,615.60
  4. Step 4: Simplify right side
    1,038,661.60x = 512,028,519,475.92
  5. Step 5: Solve for x
    x = 512,028,519,475.92/1,038,661.60
  6. Step 6: Final answer
    x = 492,969.53

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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.