Home / 1,149,051-1,585,701.32-639,764.31

Finding the Fourth Proportional to 1,149,051, 1,585,701.32 and 639,764.31

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Solution

The fourth proportional to 1,149,051, 1,585,701.32 and 639,764.31 is: 882,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,051 : 1,585,701.32 = 639,764.31 : x
  2. Step 2: Convert to fraction form
    1,149,051/1,585,701.32 = 639,764.31/x
  3. Step 3: Cross multiply
    1,149,051x = 1,585,701.32 × 639,764.31
  4. Step 4: Simplify right side
    1,149,051x = 1,014,475,107,657.07
  5. Step 5: Solve for x
    x = 1,014,475,107,657.07/1,149,051
  6. Step 6: Final answer
    x = 882,880.84

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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.