Home / 1,614,008.40-2,420,137.80-666,308.40

Finding the Fourth Proportional to 1,614,008.40, 2,420,137.80 and 666,308.40

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Solution

The fourth proportional to 1,614,008.40, 2,420,137.80 and 666,308.40 is: 999,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,008.40 : 2,420,137.80 = 666,308.40 : x
  2. Step 2: Convert to fraction form
    1,614,008.40/2,420,137.80 = 666,308.40/x
  3. Step 3: Cross multiply
    1,614,008.40x = 2,420,137.80 × 666,308.40
  4. Step 4: Simplify right side
    1,614,008.40x = 1,612,558,145,297.52
  5. Step 5: Solve for x
    x = 1,612,558,145,297.52/1,614,008.40
  6. Step 6: Final answer
    x = 999,101.46

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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.