Home / 1,753,405.40-2,630,108.10-631,328.60

Finding the Fourth Proportional to 1,753,405.40, 2,630,108.10 and 631,328.60

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Solution

The fourth proportional to 1,753,405.40, 2,630,108.10 and 631,328.60 is: 946,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,405.40 : 2,630,108.10 = 631,328.60 : x
  2. Step 2: Convert to fraction form
    1,753,405.40/2,630,108.10 = 631,328.60/x
  3. Step 3: Cross multiply
    1,753,405.40x = 2,630,108.10 × 631,328.60
  4. Step 4: Simplify right side
    1,753,405.40x = 1,660,462,464,621.66
  5. Step 5: Solve for x
    x = 1,660,462,464,621.66/1,753,405.40
  6. Step 6: Final answer
    x = 946,992.90

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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.