Home / 1,555,740.81-2,334,702.03-644,937.33

Finding the Fourth Proportional to 1,555,740.81, 2,334,702.03 and 644,937.33

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Solution

The fourth proportional to 1,555,740.81, 2,334,702.03 and 644,937.33 is: 967,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,740.81 : 2,334,702.03 = 644,937.33 : x
  2. Step 2: Convert to fraction form
    1,555,740.81/2,334,702.03 = 644,937.33/x
  3. Step 3: Cross multiply
    1,555,740.81x = 2,334,702.03 × 644,937.33
  4. Step 4: Simplify right side
    1,555,740.81x = 1,505,736,493,573.78
  5. Step 5: Solve for x
    x = 1,505,736,493,573.78/1,555,740.81
  6. Step 6: Final answer
    x = 967,858.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.