Home / 1,358,256.20-2,037,019.79-646,868.84

Finding the Fourth Proportional to 1,358,256.20, 2,037,019.79 and 646,868.84

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Solution

The fourth proportional to 1,358,256.20, 2,037,019.79 and 646,868.84 is: 970,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,256.20 : 2,037,019.79 = 646,868.84 : x
  2. Step 2: Convert to fraction form
    1,358,256.20/2,037,019.79 = 646,868.84/x
  3. Step 3: Cross multiply
    1,358,256.20x = 2,037,019.79 × 646,868.84
  4. Step 4: Simplify right side
    1,358,256.20x = 1,317,684,620,046.42
  5. Step 5: Solve for x
    x = 1,317,684,620,046.42/1,358,256.20
  6. Step 6: Final answer
    x = 970,129.66

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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.