Home / 1,574,769.60-2,363,320.80-628,819.20

Finding the Fourth Proportional to 1,574,769.60, 2,363,320.80 and 628,819.20

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Solution

The fourth proportional to 1,574,769.60, 2,363,320.80 and 628,819.20 is: 943,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,769.60 : 2,363,320.80 = 628,819.20 : x
  2. Step 2: Convert to fraction form
    1,574,769.60/2,363,320.80 = 628,819.20/x
  3. Step 3: Cross multiply
    1,574,769.60x = 2,363,320.80 × 628,819.20
  4. Step 4: Simplify right side
    1,574,769.60x = 1,486,101,494,799.36
  5. Step 5: Solve for x
    x = 1,486,101,494,799.36/1,574,769.60
  6. Step 6: Final answer
    x = 943,694.55

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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.