Home / 1,120,485.62-1,546,225.42-661,748.02

Finding the Fourth Proportional to 1,120,485.62, 1,546,225.42 and 661,748.02

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Solution

The fourth proportional to 1,120,485.62, 1,546,225.42 and 661,748.02 is: 913,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,485.62 : 1,546,225.42 = 661,748.02 : x
  2. Step 2: Convert to fraction form
    1,120,485.62/1,546,225.42 = 661,748.02/x
  3. Step 3: Cross multiply
    1,120,485.62x = 1,546,225.42 × 661,748.02
  4. Step 4: Simplify right side
    1,120,485.62x = 1,023,211,610,158.67
  5. Step 5: Solve for x
    x = 1,023,211,610,158.67/1,120,485.62
  6. Step 6: Final answer
    x = 913,185.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.