Home / 1,520,751.76-2,098,494.96-908,782.68

Finding the Fourth Proportional to 1,520,751.76, 2,098,494.96 and 908,782.68

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Solution

The fourth proportional to 1,520,751.76, 2,098,494.96 and 908,782.68 is: 1,254,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,751.76 : 2,098,494.96 = 908,782.68 : x
  2. Step 2: Convert to fraction form
    1,520,751.76/2,098,494.96 = 908,782.68/x
  3. Step 3: Cross multiply
    1,520,751.76x = 2,098,494.96 × 908,782.68
  4. Step 4: Simplify right side
    1,520,751.76x = 1,907,075,873,715.29
  5. Step 5: Solve for x
    x = 1,907,075,873,715.29/1,520,751.76
  6. Step 6: Final answer
    x = 1,254,034.96

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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.