Home / 1,612,419.39-2,418,978.98-490,459.23

Finding the Fourth Proportional to 1,612,419.39, 2,418,978.98 and 490,459.23

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Solution

The fourth proportional to 1,612,419.39, 2,418,978.98 and 490,459.23 is: 735,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,419.39 : 2,418,978.98 = 490,459.23 : x
  2. Step 2: Convert to fraction form
    1,612,419.39/2,418,978.98 = 490,459.23/x
  3. Step 3: Cross multiply
    1,612,419.39x = 2,418,978.98 × 490,459.23
  4. Step 4: Simplify right side
    1,612,419.39x = 1,186,410,569,143.13
  5. Step 5: Solve for x
    x = 1,186,410,569,143.13/1,612,419.39
  6. Step 6: Final answer
    x = 735,795.28

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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.