Home / 1,260,223.20-1,889,843.40-549,766.80

Finding the Fourth Proportional to 1,260,223.20, 1,889,843.40 and 549,766.80

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Solution

The fourth proportional to 1,260,223.20, 1,889,843.40 and 549,766.80 is: 824,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,223.20 : 1,889,843.40 = 549,766.80 : x
  2. Step 2: Convert to fraction form
    1,260,223.20/1,889,843.40 = 549,766.80/x
  3. Step 3: Cross multiply
    1,260,223.20x = 1,889,843.40 × 549,766.80
  4. Step 4: Simplify right side
    1,260,223.20x = 1,038,973,158,519.12
  5. Step 5: Solve for x
    x = 1,038,973,158,519.12/1,260,223.20
  6. Step 6: Final answer
    x = 824,435.83

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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.