Home / 1,570,728.20-2,356,092.30-1,455,254.60

Finding the Fourth Proportional to 1,570,728.20, 2,356,092.30 and 1,455,254.60

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Solution

The fourth proportional to 1,570,728.20, 2,356,092.30 and 1,455,254.60 is: 2,182,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,728.20 : 2,356,092.30 = 1,455,254.60 : x
  2. Step 2: Convert to fraction form
    1,570,728.20/2,356,092.30 = 1,455,254.60/x
  3. Step 3: Cross multiply
    1,570,728.20x = 2,356,092.30 × 1,455,254.60
  4. Step 4: Simplify right side
    1,570,728.20x = 3,428,714,157,599.58
  5. Step 5: Solve for x
    x = 3,428,714,157,599.58/1,570,728.20
  6. Step 6: Final answer
    x = 2,182,881.90

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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.