Home / 1,407,911.23-1,942,771.71-864,069.94

Finding the Fourth Proportional to 1,407,911.23, 1,942,771.71 and 864,069.94

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Solution

The fourth proportional to 1,407,911.23, 1,942,771.71 and 864,069.94 is: 1,192,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,911.23 : 1,942,771.71 = 864,069.94 : x
  2. Step 2: Convert to fraction form
    1,407,911.23/1,942,771.71 = 864,069.94/x
  3. Step 3: Cross multiply
    1,407,911.23x = 1,942,771.71 × 864,069.94
  4. Step 4: Simplify right side
    1,407,911.23x = 1,678,690,634,893.40
  5. Step 5: Solve for x
    x = 1,678,690,634,893.40/1,407,911.23
  6. Step 6: Final answer
    x = 1,192,327.04

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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.