Home / 1,223,979.83-1,823,667.74-1,155,223.32

Finding the Fourth Proportional to 1,223,979.83, 1,823,667.74 and 1,155,223.32

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Solution

The fourth proportional to 1,223,979.83, 1,823,667.74 and 1,155,223.32 is: 1,721,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,979.83 : 1,823,667.74 = 1,155,223.32 : x
  2. Step 2: Convert to fraction form
    1,223,979.83/1,823,667.74 = 1,155,223.32/x
  3. Step 3: Cross multiply
    1,223,979.83x = 1,823,667.74 × 1,155,223.32
  4. Step 4: Simplify right side
    1,223,979.83x = 2,106,743,501,179.70
  5. Step 5: Solve for x
    x = 2,106,743,501,179.70/1,223,979.83
  6. Step 6: Final answer
    x = 1,721,224.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.