Home / 1,555,375.38-2,332,841.10-490,278.84

Finding the Fourth Proportional to 1,555,375.38, 2,332,841.10 and 490,278.84

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Solution

The fourth proportional to 1,555,375.38, 2,332,841.10 and 490,278.84 is: 735,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,375.38 : 2,332,841.10 = 490,278.84 : x
  2. Step 2: Convert to fraction form
    1,555,375.38/2,332,841.10 = 490,278.84/x
  3. Step 3: Cross multiply
    1,555,375.38x = 2,332,841.10 × 490,278.84
  4. Step 4: Simplify right side
    1,555,375.38x = 1,143,742,628,412.32
  5. Step 5: Solve for x
    x = 1,143,742,628,412.32/1,555,375.38
  6. Step 6: Final answer
    x = 735,348.29

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1.5x scale

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.