Home / 1,571,579.79-2,168,788.78-918,244.19

Finding the Fourth Proportional to 1,571,579.79, 2,168,788.78 and 918,244.19

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Solution

The fourth proportional to 1,571,579.79, 2,168,788.78 and 918,244.19 is: 1,267,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,579.79 : 2,168,788.78 = 918,244.19 : x
  2. Step 2: Convert to fraction form
    1,571,579.79/2,168,788.78 = 918,244.19/x
  3. Step 3: Cross multiply
    1,571,579.79x = 2,168,788.78 × 918,244.19
  4. Step 4: Simplify right side
    1,571,579.79x = 1,991,477,689,183.88
  5. Step 5: Solve for x
    x = 1,991,477,689,183.88/1,571,579.79
  6. Step 6: Final answer
    x = 1,267,182.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.