Home / 1,028,125.20-1,542,017.70-345,003.60

Finding the Fourth Proportional to 1,028,125.20, 1,542,017.70 and 345,003.60

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Solution

The fourth proportional to 1,028,125.20, 1,542,017.70 and 345,003.60 is: 517,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,125.20 : 1,542,017.70 = 345,003.60 : x
  2. Step 2: Convert to fraction form
    1,028,125.20/1,542,017.70 = 345,003.60/x
  3. Step 3: Cross multiply
    1,028,125.20x = 1,542,017.70 × 345,003.60
  4. Step 4: Simplify right side
    1,028,125.20x = 532,001,657,763.72
  5. Step 5: Solve for x
    x = 532,001,657,763.72/1,028,125.20
  6. Step 6: Final answer
    x = 517,448.32

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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.