Home / 1,061,880.60-1,590,488.10-921,912.60

Finding the Fourth Proportional to 1,061,880.60, 1,590,488.10 and 921,912.60

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Solution

The fourth proportional to 1,061,880.60, 1,590,488.10 and 921,912.60 is: 1,380,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,880.60 : 1,590,488.10 = 921,912.60 : x
  2. Step 2: Convert to fraction form
    1,061,880.60/1,590,488.10 = 921,912.60/x
  3. Step 3: Cross multiply
    1,061,880.60x = 1,590,488.10 × 921,912.60
  4. Step 4: Simplify right side
    1,061,880.60x = 1,466,291,019,540.06
  5. Step 5: Solve for x
    x = 1,466,291,019,540.06/1,061,880.60
  6. Step 6: Final answer
    x = 1,380,843.59

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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.