Home / 1,122,320.19-1,548,800.15-613,022.57

Finding the Fourth Proportional to 1,122,320.19, 1,548,800.15 and 613,022.57

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Solution

The fourth proportional to 1,122,320.19, 1,548,800.15 and 613,022.57 is: 845,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,320.19 : 1,548,800.15 = 613,022.57 : x
  2. Step 2: Convert to fraction form
    1,122,320.19/1,548,800.15 = 613,022.57/x
  3. Step 3: Cross multiply
    1,122,320.19x = 1,548,800.15 × 613,022.57
  4. Step 4: Simplify right side
    1,122,320.19x = 949,449,448,369.39
  5. Step 5: Solve for x
    x = 949,449,448,369.39/1,122,320.19
  6. Step 6: Final answer
    x = 845,970.21

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1.5x scale

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.