Home / 1,442,181.39-2,161,746.65-543,234.18

Finding the Fourth Proportional to 1,442,181.39, 2,161,746.65 and 543,234.18

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Solution

The fourth proportional to 1,442,181.39, 2,161,746.65 and 543,234.18 is: 814,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,181.39 : 2,161,746.65 = 543,234.18 : x
  2. Step 2: Convert to fraction form
    1,442,181.39/2,161,746.65 = 543,234.18/x
  3. Step 3: Cross multiply
    1,442,181.39x = 2,161,746.65 × 543,234.18
  4. Step 4: Simplify right side
    1,442,181.39x = 1,174,334,666,064.33
  5. Step 5: Solve for x
    x = 1,174,334,666,064.33/1,442,181.39
  6. Step 6: Final answer
    x = 814,276.67

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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.