Home / 1,417,200-1,959,235.20-1,357,713.60

Finding the Fourth Proportional to 1,417,200, 1,959,235.20 and 1,357,713.60

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Solution

The fourth proportional to 1,417,200, 1,959,235.20 and 1,357,713.60 is: 1,876,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,200 : 1,959,235.20 = 1,357,713.60 : x
  2. Step 2: Convert to fraction form
    1,417,200/1,959,235.20 = 1,357,713.60/x
  3. Step 3: Cross multiply
    1,417,200x = 1,959,235.20 × 1,357,713.60
  4. Step 4: Simplify right side
    1,417,200x = 2,660,080,276,638.72
  5. Step 5: Solve for x
    x = 2,660,080,276,638.72/1,417,200
  6. Step 6: Final answer
    x = 1,876,997.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.