Home / 1,095,832.80-1,643,749.20-830,112.30

Finding the Fourth Proportional to 1,095,832.80, 1,643,749.20 and 830,112.30

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Solution

The fourth proportional to 1,095,832.80, 1,643,749.20 and 830,112.30 is: 1,245,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,832.80 : 1,643,749.20 = 830,112.30 : x
  2. Step 2: Convert to fraction form
    1,095,832.80/1,643,749.20 = 830,112.30/x
  3. Step 3: Cross multiply
    1,095,832.80x = 1,643,749.20 × 830,112.30
  4. Step 4: Simplify right side
    1,095,832.80x = 1,364,496,429,035.16
  5. Step 5: Solve for x
    x = 1,364,496,429,035.16/1,095,832.80
  6. Step 6: Final answer
    x = 1,245,168.45

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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.