Home / 1,235,728.60-1,851,260.10-634,643.80

Finding the Fourth Proportional to 1,235,728.60, 1,851,260.10 and 634,643.80

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Solution

The fourth proportional to 1,235,728.60, 1,851,260.10 and 634,643.80 is: 950,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,728.60 : 1,851,260.10 = 634,643.80 : x
  2. Step 2: Convert to fraction form
    1,235,728.60/1,851,260.10 = 634,643.80/x
  3. Step 3: Cross multiply
    1,235,728.60x = 1,851,260.10 × 634,643.80
  4. Step 4: Simplify right side
    1,235,728.60x = 1,174,890,744,652.38
  5. Step 5: Solve for x
    x = 1,174,890,744,652.38/1,235,728.60
  6. Step 6: Final answer
    x = 950,767.62

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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.