Home / 936,742.20-1,405,113.30-922,745.40

Finding the Fourth Proportional to 936,742.20, 1,405,113.30 and 922,745.40

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Solution

The fourth proportional to 936,742.20, 1,405,113.30 and 922,745.40 is: 1,384,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,742.20 : 1,405,113.30 = 922,745.40 : x
  2. Step 2: Convert to fraction form
    936,742.20/1,405,113.30 = 922,745.40/x
  3. Step 3: Cross multiply
    936,742.20x = 1,405,113.30 × 922,745.40
  4. Step 4: Simplify right side
    936,742.20x = 1,296,561,834,053.82
  5. Step 5: Solve for x
    x = 1,296,561,834,053.82/936,742.20
  6. Step 6: Final answer
    x = 1,384,118.10

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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.