Home / 1,214,652.20-1,821,978.30-549,804.20

Finding the Fourth Proportional to 1,214,652.20, 1,821,978.30 and 549,804.20

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Solution

The fourth proportional to 1,214,652.20, 1,821,978.30 and 549,804.20 is: 824,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,652.20 : 1,821,978.30 = 549,804.20 : x
  2. Step 2: Convert to fraction form
    1,214,652.20/1,821,978.30 = 549,804.20/x
  3. Step 3: Cross multiply
    1,214,652.20x = 1,821,978.30 × 549,804.20
  4. Step 4: Simplify right side
    1,214,652.20x = 1,001,731,321,648.86
  5. Step 5: Solve for x
    x = 1,001,731,321,648.86/1,214,652.20
  6. Step 6: Final answer
    x = 824,706.30

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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.