Home / 1,085,668.35-1,498,401.72-602,389.19

Finding the Fourth Proportional to 1,085,668.35, 1,498,401.72 and 602,389.19

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Solution

The fourth proportional to 1,085,668.35, 1,498,401.72 and 602,389.19 is: 831,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,668.35 : 1,498,401.72 = 602,389.19 : x
  2. Step 2: Convert to fraction form
    1,085,668.35/1,498,401.72 = 602,389.19/x
  3. Step 3: Cross multiply
    1,085,668.35x = 1,498,401.72 × 602,389.19
  4. Step 4: Simplify right side
    1,085,668.35x = 902,620,990,913.40
  5. Step 5: Solve for x
    x = 902,620,990,913.40/1,085,668.35
  6. Step 6: Final answer
    x = 831,396.61

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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.