Home / 1,234,850.40-1,851,487.20-524,512.80

Finding the Fourth Proportional to 1,234,850.40, 1,851,487.20 and 524,512.80

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Solution

The fourth proportional to 1,234,850.40, 1,851,487.20 and 524,512.80 is: 786,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,850.40 : 1,851,487.20 = 524,512.80 : x
  2. Step 2: Convert to fraction form
    1,234,850.40/1,851,487.20 = 524,512.80/x
  3. Step 3: Cross multiply
    1,234,850.40x = 1,851,487.20 × 524,512.80
  4. Step 4: Simplify right side
    1,234,850.40x = 971,128,735,436.16
  5. Step 5: Solve for x
    x = 971,128,735,436.16/1,234,850.40
  6. Step 6: Final answer
    x = 786,434.32

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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.