Home / 1,144,812.40-1,717,218.60-808,889.20

Finding the Fourth Proportional to 1,144,812.40, 1,717,218.60 and 808,889.20

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Solution

The fourth proportional to 1,144,812.40, 1,717,218.60 and 808,889.20 is: 1,213,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,812.40 : 1,717,218.60 = 808,889.20 : x
  2. Step 2: Convert to fraction form
    1,144,812.40/1,717,218.60 = 808,889.20/x
  3. Step 3: Cross multiply
    1,144,812.40x = 1,717,218.60 × 808,889.20
  4. Step 4: Simplify right side
    1,144,812.40x = 1,389,039,579,579.12
  5. Step 5: Solve for x
    x = 1,389,039,579,579.12/1,144,812.40
  6. Step 6: Final answer
    x = 1,213,333.80

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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.