Home / 1,604,003.72-2,405,818.31-644,420.52

Finding the Fourth Proportional to 1,604,003.72, 2,405,818.31 and 644,420.52

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Solution

The fourth proportional to 1,604,003.72, 2,405,818.31 and 644,420.52 is: 966,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,003.72 : 2,405,818.31 = 644,420.52 : x
  2. Step 2: Convert to fraction form
    1,604,003.72/2,405,818.31 = 644,420.52/x
  3. Step 3: Cross multiply
    1,604,003.72x = 2,405,818.31 × 644,420.52
  4. Step 4: Simplify right side
    1,604,003.72x = 1,550,358,683,133.62
  5. Step 5: Solve for x
    x = 1,550,358,683,133.62/1,604,003.72
  6. Step 6: Final answer
    x = 966,555.54

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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.