Home / 1,041,858.80-1,562,788.20-687,273.20

Finding the Fourth Proportional to 1,041,858.80, 1,562,788.20 and 687,273.20

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Solution

The fourth proportional to 1,041,858.80, 1,562,788.20 and 687,273.20 is: 1,030,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,858.80 : 1,562,788.20 = 687,273.20 : x
  2. Step 2: Convert to fraction form
    1,041,858.80/1,562,788.20 = 687,273.20/x
  3. Step 3: Cross multiply
    1,041,858.80x = 1,562,788.20 × 687,273.20
  4. Step 4: Simplify right side
    1,041,858.80x = 1,074,062,447,136.24
  5. Step 5: Solve for x
    x = 1,074,062,447,136.24/1,041,858.80
  6. Step 6: Final answer
    x = 1,030,909.80

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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.