Home / 1,085,809.80-1,628,909.10-454,787.40

Finding the Fourth Proportional to 1,085,809.80, 1,628,909.10 and 454,787.40

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Solution

The fourth proportional to 1,085,809.80, 1,628,909.10 and 454,787.40 is: 682,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,809.80 : 1,628,909.10 = 454,787.40 : x
  2. Step 2: Convert to fraction form
    1,085,809.80/1,628,909.10 = 454,787.40/x
  3. Step 3: Cross multiply
    1,085,809.80x = 1,628,909.10 × 454,787.40
  4. Step 4: Simplify right side
    1,085,809.80x = 740,807,334,425.34
  5. Step 5: Solve for x
    x = 740,807,334,425.34/1,085,809.80
  6. Step 6: Final answer
    x = 682,262.52

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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.