Home / 1,116,070.20-1,674,494.10-485,436.60

Finding the Fourth Proportional to 1,116,070.20, 1,674,494.10 and 485,436.60

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Solution

The fourth proportional to 1,116,070.20, 1,674,494.10 and 485,436.60 is: 728,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,070.20 : 1,674,494.10 = 485,436.60 : x
  2. Step 2: Convert to fraction form
    1,116,070.20/1,674,494.10 = 485,436.60/x
  3. Step 3: Cross multiply
    1,116,070.20x = 1,674,494.10 × 485,436.60
  4. Step 4: Simplify right side
    1,116,070.20x = 812,860,722,624.06
  5. Step 5: Solve for x
    x = 812,860,722,624.06/1,116,070.20
  6. Step 6: Final answer
    x = 728,324.01

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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.