Home / 1,520,742.75-2,098,482.54-908,773.68

Finding the Fourth Proportional to 1,520,742.75, 2,098,482.54 and 908,773.68

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Solution

The fourth proportional to 1,520,742.75, 2,098,482.54 and 908,773.68 is: 1,254,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,742.75 : 2,098,482.54 = 908,773.68 : x
  2. Step 2: Convert to fraction form
    1,520,742.75/2,098,482.54 = 908,773.68/x
  3. Step 3: Cross multiply
    1,520,742.75x = 2,098,482.54 × 908,773.68
  4. Step 4: Simplify right side
    1,520,742.75x = 1,907,045,698,060.84
  5. Step 5: Solve for x
    x = 1,907,045,698,060.84/1,520,742.75
  6. Step 6: Final answer
    x = 1,254,022.55

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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.