Home / 1,260,229.20-1,889,852.40-549,772.80

Finding the Fourth Proportional to 1,260,229.20, 1,889,852.40 and 549,772.80

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Solution

The fourth proportional to 1,260,229.20, 1,889,852.40 and 549,772.80 is: 824,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,229.20 : 1,889,852.40 = 549,772.80 : x
  2. Step 2: Convert to fraction form
    1,260,229.20/1,889,852.40 = 549,772.80/x
  3. Step 3: Cross multiply
    1,260,229.20x = 1,889,852.40 × 549,772.80
  4. Step 4: Simplify right side
    1,260,229.20x = 1,038,989,445,534.72
  5. Step 5: Solve for x
    x = 1,038,989,445,534.72/1,260,229.20
  6. Step 6: Final answer
    x = 824,444.83

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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.