Home / 1,255,492.80-1,883,239.20-1,152,273.60

Finding the Fourth Proportional to 1,255,492.80, 1,883,239.20 and 1,152,273.60

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Solution

The fourth proportional to 1,255,492.80, 1,883,239.20 and 1,152,273.60 is: 1,728,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,492.80 : 1,883,239.20 = 1,152,273.60 : x
  2. Step 2: Convert to fraction form
    1,255,492.80/1,883,239.20 = 1,152,273.60/x
  3. Step 3: Cross multiply
    1,255,492.80x = 1,883,239.20 × 1,152,273.60
  4. Step 4: Simplify right side
    1,255,492.80x = 2,170,006,812,645.12
  5. Step 5: Solve for x
    x = 2,170,006,812,645.12/1,255,492.80
  6. Step 6: Final answer
    x = 1,728,410.40

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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.