Home / 1,373,388.35-2,059,881.95-400,491.21

Finding the Fourth Proportional to 1,373,388.35, 2,059,881.95 and 400,491.21

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Solution

The fourth proportional to 1,373,388.35, 2,059,881.95 and 400,491.21 is: 600,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,388.35 : 2,059,881.95 = 400,491.21 : x
  2. Step 2: Convert to fraction form
    1,373,388.35/2,059,881.95 = 400,491.21/x
  3. Step 3: Cross multiply
    1,373,388.35x = 2,059,881.95 × 400,491.21
  4. Step 4: Simplify right side
    1,373,388.35x = 824,964,609,498.85
  5. Step 5: Solve for x
    x = 824,964,609,498.85/1,373,388.35
  6. Step 6: Final answer
    x = 600,678.32

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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.