Home / 1,120,980.08-1,546,989.80-611,710.40

Finding the Fourth Proportional to 1,120,980.08, 1,546,989.80 and 611,710.40

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Solution

The fourth proportional to 1,120,980.08, 1,546,989.80 and 611,710.40 is: 844,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,980.08 : 1,546,989.80 = 611,710.40 : x
  2. Step 2: Convert to fraction form
    1,120,980.08/1,546,989.80 = 611,710.40/x
  3. Step 3: Cross multiply
    1,120,980.08x = 1,546,989.80 × 611,710.40
  4. Step 4: Simplify right side
    1,120,980.08x = 946,309,749,353.92
  5. Step 5: Solve for x
    x = 946,309,749,353.92/1,120,980.08
  6. Step 6: Final answer
    x = 844,180.70

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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.