Home / 1,214,649.20-1,821,973.80-549,801.20

Finding the Fourth Proportional to 1,214,649.20, 1,821,973.80 and 549,801.20

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Solution

The fourth proportional to 1,214,649.20, 1,821,973.80 and 549,801.20 is: 824,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,649.20 : 1,821,973.80 = 549,801.20 : x
  2. Step 2: Convert to fraction form
    1,214,649.20/1,821,973.80 = 549,801.20/x
  3. Step 3: Cross multiply
    1,214,649.20x = 1,821,973.80 × 549,801.20
  4. Step 4: Simplify right side
    1,214,649.20x = 1,001,723,381,608.56
  5. Step 5: Solve for x
    x = 1,001,723,381,608.56/1,214,649.20
  6. Step 6: Final answer
    x = 824,701.80

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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.