Home / 1,136,321.71-1,566,852.43-928,942.85

Finding the Fourth Proportional to 1,136,321.71, 1,566,852.43 and 928,942.85

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Solution

The fourth proportional to 1,136,321.71, 1,566,852.43 and 928,942.85 is: 1,280,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,321.71 : 1,566,852.43 = 928,942.85 : x
  2. Step 2: Convert to fraction form
    1,136,321.71/1,566,852.43 = 928,942.85/x
  3. Step 3: Cross multiply
    1,136,321.71x = 1,566,852.43 × 928,942.85
  4. Step 4: Simplify right side
    1,136,321.71x = 1,455,516,351,697.01
  5. Step 5: Solve for x
    x = 1,455,516,351,697.01/1,136,321.71
  6. Step 6: Final answer
    x = 1,280,901.65

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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.