Home / 1,212,341.20-1,818,584.60-370,900.24

Finding the Fourth Proportional to 1,212,341.20, 1,818,584.60 and 370,900.24

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Solution

The fourth proportional to 1,212,341.20, 1,818,584.60 and 370,900.24 is: 556,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,341.20 : 1,818,584.60 = 370,900.24 : x
  2. Step 2: Convert to fraction form
    1,212,341.20/1,818,584.60 = 370,900.24/x
  3. Step 3: Cross multiply
    1,212,341.20x = 1,818,584.60 × 370,900.24
  4. Step 4: Simplify right side
    1,212,341.20x = 674,513,464,600.30
  5. Step 5: Solve for x
    x = 674,513,464,600.30/1,212,341.20
  6. Step 6: Final answer
    x = 556,372.63

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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.