Home / 1,255,486.60-1,883,229.90-1,159,640.20

Finding the Fourth Proportional to 1,255,486.60, 1,883,229.90 and 1,159,640.20

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Solution

The fourth proportional to 1,255,486.60, 1,883,229.90 and 1,159,640.20 is: 1,739,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,486.60 : 1,883,229.90 = 1,159,640.20 : x
  2. Step 2: Convert to fraction form
    1,255,486.60/1,883,229.90 = 1,159,640.20/x
  3. Step 3: Cross multiply
    1,255,486.60x = 1,883,229.90 × 1,159,640.20
  4. Step 4: Simplify right side
    1,255,486.60x = 2,183,869,097,881.98
  5. Step 5: Solve for x
    x = 2,183,869,097,881.98/1,255,486.60
  6. Step 6: Final answer
    x = 1,739,460.30

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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.