Home / 1,649,221.20-2,473,486.20-808,376.40

Finding the Fourth Proportional to 1,649,221.20, 2,473,486.20 and 808,376.40

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Solution

The fourth proportional to 1,649,221.20, 2,473,486.20 and 808,376.40 is: 1,212,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,221.20 : 2,473,486.20 = 808,376.40 : x
  2. Step 2: Convert to fraction form
    1,649,221.20/2,473,486.20 = 808,376.40/x
  3. Step 3: Cross multiply
    1,649,221.20x = 2,473,486.20 × 808,376.40
  4. Step 4: Simplify right side
    1,649,221.20x = 1,999,507,869,805.68
  5. Step 5: Solve for x
    x = 1,999,507,869,805.68/1,649,221.20
  6. Step 6: Final answer
    x = 1,212,395.20

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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.