Home / 1,235,724.60-1,851,254.10-634,639.80

Finding the Fourth Proportional to 1,235,724.60, 1,851,254.10 and 634,639.80

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Solution

The fourth proportional to 1,235,724.60, 1,851,254.10 and 634,639.80 is: 950,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,724.60 : 1,851,254.10 = 634,639.80 : x
  2. Step 2: Convert to fraction form
    1,235,724.60/1,851,254.10 = 634,639.80/x
  3. Step 3: Cross multiply
    1,235,724.60x = 1,851,254.10 × 634,639.80
  4. Step 4: Simplify right side
    1,235,724.60x = 1,174,879,531,773.18
  5. Step 5: Solve for x
    x = 1,174,879,531,773.18/1,235,724.60
  6. Step 6: Final answer
    x = 950,761.63

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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.