Home / 1,389,495.96-2,083,868.96-490,819.39

Finding the Fourth Proportional to 1,389,495.96, 2,083,868.96 and 490,819.39

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Solution

The fourth proportional to 1,389,495.96, 2,083,868.96 and 490,819.39 is: 736,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,495.96 : 2,083,868.96 = 490,819.39 : x
  2. Step 2: Convert to fraction form
    1,389,495.96/2,083,868.96 = 490,819.39/x
  3. Step 3: Cross multiply
    1,389,495.96x = 2,083,868.96 × 490,819.39
  4. Step 4: Simplify right side
    1,389,495.96x = 1,022,803,291,787.13
  5. Step 5: Solve for x
    x = 1,022,803,291,787.13/1,389,495.96
  6. Step 6: Final answer
    x = 736,096.63

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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.