Home / 1,173,420.26-1,619,042.42-664,122.63

Finding the Fourth Proportional to 1,173,420.26, 1,619,042.42 and 664,122.63

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Solution

The fourth proportional to 1,173,420.26, 1,619,042.42 and 664,122.63 is: 916,332.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,420.26 : 1,619,042.42 = 664,122.63 : x
  2. Step 2: Convert to fraction form
    1,173,420.26/1,619,042.42 = 664,122.63/x
  3. Step 3: Cross multiply
    1,173,420.26x = 1,619,042.42 × 664,122.63
  4. Step 4: Simplify right side
    1,173,420.26x = 1,075,242,706,731.35
  5. Step 5: Solve for x
    x = 1,075,242,706,731.35/1,173,420.26
  6. Step 6: Final answer
    x = 916,332.15

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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.