Home / 1,086,820.10-1,630,230.15-910,985.30

Finding the Fourth Proportional to 1,086,820.10, 1,630,230.15 and 910,985.30

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Solution

The fourth proportional to 1,086,820.10, 1,630,230.15 and 910,985.30 is: 1,366,477.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,820.10 : 1,630,230.15 = 910,985.30 : x
  2. Step 2: Convert to fraction form
    1,086,820.10/1,630,230.15 = 910,985.30/x
  3. Step 3: Cross multiply
    1,086,820.10x = 1,630,230.15 × 910,985.30
  4. Step 4: Simplify right side
    1,086,820.10x = 1,485,115,702,266.80
  5. Step 5: Solve for x
    x = 1,485,115,702,266.80/1,086,820.10
  6. Step 6: Final answer
    x = 1,366,477.95

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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.