Home / 1,085,721.60-1,627,804.80-454,310.40

Finding the Fourth Proportional to 1,085,721.60, 1,627,804.80 and 454,310.40

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Solution

The fourth proportional to 1,085,721.60, 1,627,804.80 and 454,310.40 is: 681,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,721.60 : 1,627,804.80 = 454,310.40 : x
  2. Step 2: Convert to fraction form
    1,085,721.60/1,627,804.80 = 454,310.40/x
  3. Step 3: Cross multiply
    1,085,721.60x = 1,627,804.80 × 454,310.40
  4. Step 4: Simplify right side
    1,085,721.60x = 739,528,649,809.92
  5. Step 5: Solve for x
    x = 739,528,649,809.92/1,085,721.60
  6. Step 6: Final answer
    x = 681,140.22

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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.