Home / 1,338,208.40-2,006,889.64-439,502.04

Finding the Fourth Proportional to 1,338,208.40, 2,006,889.64 and 439,502.04

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Solution

The fourth proportional to 1,338,208.40, 2,006,889.64 and 439,502.04 is: 659,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,208.40 : 2,006,889.64 = 439,502.04 : x
  2. Step 2: Convert to fraction form
    1,338,208.40/2,006,889.64 = 439,502.04/x
  3. Step 3: Cross multiply
    1,338,208.40x = 2,006,889.64 × 439,502.04
  4. Step 4: Simplify right side
    1,338,208.40x = 882,032,090,834.87
  5. Step 5: Solve for x
    x = 882,032,090,834.87/1,338,208.40
  6. Step 6: Final answer
    x = 659,114.15

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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.