Home / 1,434,484.08-1,979,415.90-822,605.40

Finding the Fourth Proportional to 1,434,484.08, 1,979,415.90 and 822,605.40

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Solution

The fourth proportional to 1,434,484.08, 1,979,415.90 and 822,605.40 is: 1,135,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,484.08 : 1,979,415.90 = 822,605.40 : x
  2. Step 2: Convert to fraction form
    1,434,484.08/1,979,415.90 = 822,605.40/x
  3. Step 3: Cross multiply
    1,434,484.08x = 1,979,415.90 × 822,605.40
  4. Step 4: Simplify right side
    1,434,484.08x = 1,628,278,208,185.86
  5. Step 5: Solve for x
    x = 1,628,278,208,185.86/1,434,484.08
  6. Step 6: Final answer
    x = 1,135,096.74

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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.