Home / 1,122,454.71-1,549,021.55-613,189.89

Finding the Fourth Proportional to 1,122,454.71, 1,549,021.55 and 613,189.89

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Solution

The fourth proportional to 1,122,454.71, 1,549,021.55 and 613,189.89 is: 846,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,454.71 : 1,549,021.55 = 613,189.89 : x
  2. Step 2: Convert to fraction form
    1,122,454.71/1,549,021.55 = 613,189.89/x
  3. Step 3: Cross multiply
    1,122,454.71x = 1,549,021.55 × 613,189.89
  4. Step 4: Simplify right side
    1,122,454.71x = 949,844,353,852.13
  5. Step 5: Solve for x
    x = 949,844,353,852.13/1,122,454.71
  6. Step 6: Final answer
    x = 846,220.65

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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.