Home / 1,259,216.10-1,889,261.55-549,753.30

Finding the Fourth Proportional to 1,259,216.10, 1,889,261.55 and 549,753.30

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Solution

The fourth proportional to 1,259,216.10, 1,889,261.55 and 549,753.30 is: 824,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,216.10 : 1,889,261.55 = 549,753.30 : x
  2. Step 2: Convert to fraction form
    1,259,216.10/1,889,261.55 = 549,753.30/x
  3. Step 3: Cross multiply
    1,259,216.10x = 1,889,261.55 × 549,753.30
  4. Step 4: Simplify right side
    1,259,216.10x = 1,038,627,771,675.62
  5. Step 5: Solve for x
    x = 1,038,627,771,675.62/1,259,216.10
  6. Step 6: Final answer
    x = 824,820.91

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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.