Home / 1,334,415.60-1,998,901.80-827,420.40

Finding the Fourth Proportional to 1,334,415.60, 1,998,901.80 and 827,420.40

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Solution

The fourth proportional to 1,334,415.60, 1,998,901.80 and 827,420.40 is: 1,239,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,415.60 : 1,998,901.80 = 827,420.40 : x
  2. Step 2: Convert to fraction form
    1,334,415.60/1,998,901.80 = 827,420.40/x
  3. Step 3: Cross multiply
    1,334,415.60x = 1,998,901.80 × 827,420.40
  4. Step 4: Simplify right side
    1,334,415.60x = 1,653,932,126,916.72
  5. Step 5: Solve for x
    x = 1,653,932,126,916.72/1,334,415.60
  6. Step 6: Final answer
    x = 1,239,443.04

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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.