Home / 1,401,384.32-2,104,613.04-1,288,862.96

Finding the Fourth Proportional to 1,401,384.32, 2,104,613.04 and 1,288,862.96

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Solution

The fourth proportional to 1,401,384.32, 2,104,613.04 and 1,288,862.96 is: 1,935,627.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,384.32 : 2,104,613.04 = 1,288,862.96 : x
  2. Step 2: Convert to fraction form
    1,401,384.32/2,104,613.04 = 1,288,862.96/x
  3. Step 3: Cross multiply
    1,401,384.32x = 2,104,613.04 × 1,288,862.96
  4. Step 4: Simplify right side
    1,401,384.32x = 2,712,557,792,389.00
  5. Step 5: Solve for x
    x = 2,712,557,792,389.00/1,401,384.32
  6. Step 6: Final answer
    x = 1,935,627.33

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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.