Home / 1,153,820.80-1,730,212.80-443,612.80

Finding the Fourth Proportional to 1,153,820.80, 1,730,212.80 and 443,612.80

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Solution

The fourth proportional to 1,153,820.80, 1,730,212.80 and 443,612.80 is: 665,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,820.80 : 1,730,212.80 = 443,612.80 : x
  2. Step 2: Convert to fraction form
    1,153,820.80/1,730,212.80 = 443,612.80/x
  3. Step 3: Cross multiply
    1,153,820.80x = 1,730,212.80 × 443,612.80
  4. Step 4: Simplify right side
    1,153,820.80x = 767,544,544,803.84
  5. Step 5: Solve for x
    x = 767,544,544,803.84/1,153,820.80
  6. Step 6: Final answer
    x = 665,219.89

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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.