Home / 1,087,922.72-1,630,077.60-666,312.32

Finding the Fourth Proportional to 1,087,922.72, 1,630,077.60 and 666,312.32

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Solution

The fourth proportional to 1,087,922.72, 1,630,077.60 and 666,312.32 is: 998,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,922.72 : 1,630,077.60 = 666,312.32 : x
  2. Step 2: Convert to fraction form
    1,087,922.72/1,630,077.60 = 666,312.32/x
  3. Step 3: Cross multiply
    1,087,922.72x = 1,630,077.60 × 666,312.32
  4. Step 4: Simplify right side
    1,087,922.72x = 1,086,140,787,436.03
  5. Step 5: Solve for x
    x = 1,086,140,787,436.03/1,087,922.72
  6. Step 6: Final answer
    x = 998,362.08

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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.