Home / 1,148,925.12-1,585,485.69-639,627.54

Finding the Fourth Proportional to 1,148,925.12, 1,585,485.69 and 639,627.54

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Solution

The fourth proportional to 1,148,925.12, 1,585,485.69 and 639,627.54 is: 882,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,925.12 : 1,585,485.69 = 639,627.54 : x
  2. Step 2: Convert to fraction form
    1,148,925.12/1,585,485.69 = 639,627.54/x
  3. Step 3: Cross multiply
    1,148,925.12x = 1,585,485.69 × 639,627.54
  4. Step 4: Simplify right side
    1,148,925.12x = 1,014,120,311,599.90
  5. Step 5: Solve for x
    x = 1,014,120,311,599.90/1,148,925.12
  6. Step 6: Final answer
    x = 882,668.76

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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.