Home / 1,612,420.39-2,418,980.48-490,460.23

Finding the Fourth Proportional to 1,612,420.39, 2,418,980.48 and 490,460.23

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Solution

The fourth proportional to 1,612,420.39, 2,418,980.48 and 490,460.23 is: 735,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,420.39 : 2,418,980.48 = 490,460.23 : x
  2. Step 2: Convert to fraction form
    1,612,420.39/2,418,980.48 = 490,460.23/x
  3. Step 3: Cross multiply
    1,612,420.39x = 2,418,980.48 × 490,460.23
  4. Step 4: Simplify right side
    1,612,420.39x = 1,186,413,722,586.31
  5. Step 5: Solve for x
    x = 1,186,413,722,586.31/1,612,420.39
  6. Step 6: Final answer
    x = 735,796.77

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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.