Home / 1,403,281.80-2,101,812.30-1,086,712.20

Finding the Fourth Proportional to 1,403,281.80, 2,101,812.30 and 1,086,712.20

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Solution

The fourth proportional to 1,403,281.80, 2,101,812.30 and 1,086,712.20 is: 1,627,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,281.80 : 2,101,812.30 = 1,086,712.20 : x
  2. Step 2: Convert to fraction form
    1,403,281.80/2,101,812.30 = 1,086,712.20/x
  3. Step 3: Cross multiply
    1,403,281.80x = 2,101,812.30 × 1,086,712.20
  4. Step 4: Simplify right side
    1,403,281.80x = 2,284,065,068,520.06
  5. Step 5: Solve for x
    x = 2,284,065,068,520.06/1,403,281.80
  6. Step 6: Final answer
    x = 1,627,659.58

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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.