Home / 1,085,851.80-1,628,972.10-454,829.40

Finding the Fourth Proportional to 1,085,851.80, 1,628,972.10 and 454,829.40

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Solution

The fourth proportional to 1,085,851.80, 1,628,972.10 and 454,829.40 is: 682,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,851.80 : 1,628,972.10 = 454,829.40 : x
  2. Step 2: Convert to fraction form
    1,085,851.80/1,628,972.10 = 454,829.40/x
  3. Step 3: Cross multiply
    1,085,851.80x = 1,628,972.10 × 454,829.40
  4. Step 4: Simplify right side
    1,085,851.80x = 740,904,402,859.74
  5. Step 5: Solve for x
    x = 740,904,402,859.74/1,085,851.80
  6. Step 6: Final answer
    x = 682,325.53

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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.