Home / 1,086,381.60-1,627,822.80-907,922.40

Finding the Fourth Proportional to 1,086,381.60, 1,627,822.80 and 907,922.40

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Solution

The fourth proportional to 1,086,381.60, 1,627,822.80 and 907,922.40 is: 1,360,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,381.60 : 1,627,822.80 = 907,922.40 : x
  2. Step 2: Convert to fraction form
    1,086,381.60/1,627,822.80 = 907,922.40/x
  3. Step 3: Cross multiply
    1,086,381.60x = 1,627,822.80 × 907,922.40
  4. Step 4: Simplify right side
    1,086,381.60x = 1,477,936,783,350.72
  5. Step 5: Solve for x
    x = 1,477,936,783,350.72/1,086,381.60
  6. Step 6: Final answer
    x = 1,360,421.41

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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.