Home / 1,149,054-1,585,705.46-639,767.32

Finding the Fourth Proportional to 1,149,054, 1,585,705.46 and 639,767.32

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Solution

The fourth proportional to 1,149,054, 1,585,705.46 and 639,767.32 is: 882,884.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,054 : 1,585,705.46 = 639,767.32 : x
  2. Step 2: Convert to fraction form
    1,149,054/1,585,705.46 = 639,767.32/x
  3. Step 3: Cross multiply
    1,149,054x = 1,585,705.46 × 639,767.32
  4. Step 4: Simplify right side
    1,149,054x = 1,014,482,532,453.57
  5. Step 5: Solve for x
    x = 1,014,482,532,453.57/1,149,054
  6. Step 6: Final answer
    x = 882,884.99

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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.