Home / 1,061,640.60-1,590,128.10-921,672.60

Finding the Fourth Proportional to 1,061,640.60, 1,590,128.10 and 921,672.60

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Solution

The fourth proportional to 1,061,640.60, 1,590,128.10 and 921,672.60 is: 1,380,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,640.60 : 1,590,128.10 = 921,672.60 : x
  2. Step 2: Convert to fraction form
    1,061,640.60/1,590,128.10 = 921,672.60/x
  3. Step 3: Cross multiply
    1,061,640.60x = 1,590,128.10 × 921,672.60
  4. Step 4: Simplify right side
    1,061,640.60x = 1,465,577,500,260.06
  5. Step 5: Solve for x
    x = 1,465,577,500,260.06/1,061,640.60
  6. Step 6: Final answer
    x = 1,380,483.66

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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.