Home / 1,212,308.57-1,818,396.95-370,860.32

Finding the Fourth Proportional to 1,212,308.57, 1,818,396.95 and 370,860.32

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Solution

The fourth proportional to 1,212,308.57, 1,818,396.95 and 370,860.32 is: 556,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,308.57 : 1,818,396.95 = 370,860.32 : x
  2. Step 2: Convert to fraction form
    1,212,308.57/1,818,396.95 = 370,860.32/x
  3. Step 3: Cross multiply
    1,212,308.57x = 1,818,396.95 × 370,860.32
  4. Step 4: Simplify right side
    1,212,308.57x = 674,371,277,455.72
  5. Step 5: Solve for x
    x = 674,371,277,455.72/1,212,308.57
  6. Step 6: Final answer
    x = 556,270.32

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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.