Home / 1,581,464.22-2,182,742.57-1,072,330.62

Finding the Fourth Proportional to 1,581,464.22, 2,182,742.57 and 1,072,330.62

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Solution

The fourth proportional to 1,581,464.22, 2,182,742.57 and 1,072,330.62 is: 1,480,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,464.22 : 2,182,742.57 = 1,072,330.62 : x
  2. Step 2: Convert to fraction form
    1,581,464.22/2,182,742.57 = 1,072,330.62/x
  3. Step 3: Cross multiply
    1,581,464.22x = 2,182,742.57 × 1,072,330.62
  4. Step 4: Simplify right side
    1,581,464.22x = 2,340,621,688,026.84
  5. Step 5: Solve for x
    x = 2,340,621,688,026.84/1,581,464.22
  6. Step 6: Final answer
    x = 1,480,034.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.