Home / 1,202,609.40-1,802,609.80-602,122.40

Finding the Fourth Proportional to 1,202,609.40, 1,802,609.80 and 602,122.40

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Solution

The fourth proportional to 1,202,609.40, 1,802,609.80 and 602,122.40 is: 902,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,609.40 : 1,802,609.80 = 602,122.40 : x
  2. Step 2: Convert to fraction form
    1,202,609.40/1,802,609.80 = 602,122.40/x
  3. Step 3: Cross multiply
    1,202,609.40x = 1,802,609.80 × 602,122.40
  4. Step 4: Simplify right side
    1,202,609.40x = 1,085,391,739,039.52
  5. Step 5: Solve for x
    x = 1,085,391,739,039.52/1,202,609.40
  6. Step 6: Final answer
    x = 902,530.56

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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.