Home / 1,086,647.60-1,630,190.10-910,375.40

Finding the Fourth Proportional to 1,086,647.60, 1,630,190.10 and 910,375.40

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Solution

The fourth proportional to 1,086,647.60, 1,630,190.10 and 910,375.40 is: 1,365,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,647.60 : 1,630,190.10 = 910,375.40 : x
  2. Step 2: Convert to fraction form
    1,086,647.60/1,630,190.10 = 910,375.40/x
  3. Step 3: Cross multiply
    1,086,647.60x = 1,630,190.10 × 910,375.40
  4. Step 4: Simplify right side
    1,086,647.60x = 1,484,084,964,363.54
  5. Step 5: Solve for x
    x = 1,484,084,964,363.54/1,086,647.60
  6. Step 6: Final answer
    x = 1,365,746.32

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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.