Home / 1,212,400.20-1,818,686.70-370,950.60

Finding the Fourth Proportional to 1,212,400.20, 1,818,686.70 and 370,950.60

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Solution

The fourth proportional to 1,212,400.20, 1,818,686.70 and 370,950.60 is: 556,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,400.20 : 1,818,686.70 = 370,950.60 : x
  2. Step 2: Convert to fraction form
    1,212,400.20/1,818,686.70 = 370,950.60/x
  3. Step 3: Cross multiply
    1,212,400.20x = 1,818,686.70 × 370,950.60
  4. Step 4: Simplify right side
    1,212,400.20x = 674,642,922,577.02
  5. Step 5: Solve for x
    x = 674,642,922,577.02/1,212,400.20
  6. Step 6: Final answer
    x = 556,452.34

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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.