Home / 1,260,225.20-1,889,846.40-549,768.80

Finding the Fourth Proportional to 1,260,225.20, 1,889,846.40 and 549,768.80

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Solution

The fourth proportional to 1,260,225.20, 1,889,846.40 and 549,768.80 is: 824,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,225.20 : 1,889,846.40 = 549,768.80 : x
  2. Step 2: Convert to fraction form
    1,260,225.20/1,889,846.40 = 549,768.80/x
  3. Step 3: Cross multiply
    1,260,225.20x = 1,889,846.40 × 549,768.80
  4. Step 4: Simplify right side
    1,260,225.20x = 1,038,978,587,512.32
  5. Step 5: Solve for x
    x = 1,038,978,587,512.32/1,260,225.20
  6. Step 6: Final answer
    x = 824,438.83

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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.