Home / 1,479,011.74-2,212,680.43-1,120,216.16

Finding the Fourth Proportional to 1,479,011.74, 2,212,680.43 and 1,120,216.16

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Solution

The fourth proportional to 1,479,011.74, 2,212,680.43 and 1,120,216.16 is: 1,675,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,011.74 : 2,212,680.43 = 1,120,216.16 : x
  2. Step 2: Convert to fraction form
    1,479,011.74/2,212,680.43 = 1,120,216.16/x
  3. Step 3: Cross multiply
    1,479,011.74x = 2,212,680.43 × 1,120,216.16
  4. Step 4: Simplify right side
    1,479,011.74x = 2,478,680,371,801.21
  5. Step 5: Solve for x
    x = 2,478,680,371,801.21/1,479,011.74
  6. Step 6: Final answer
    x = 1,675,903.11

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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.