Home / 1,236,492.60-1,854,825.30-488,441.40

Finding the Fourth Proportional to 1,236,492.60, 1,854,825.30 and 488,441.40

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Solution

The fourth proportional to 1,236,492.60, 1,854,825.30 and 488,441.40 is: 732,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,492.60 : 1,854,825.30 = 488,441.40 : x
  2. Step 2: Convert to fraction form
    1,236,492.60/1,854,825.30 = 488,441.40/x
  3. Step 3: Cross multiply
    1,236,492.60x = 1,854,825.30 × 488,441.40
  4. Step 4: Simplify right side
    1,236,492.60x = 905,973,466,287.42
  5. Step 5: Solve for x
    x = 905,973,466,287.42/1,236,492.60
  6. Step 6: Final answer
    x = 732,696.23

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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.