Home / 1,129,071.15-1,693,114.65-454,928.40

Finding the Fourth Proportional to 1,129,071.15, 1,693,114.65 and 454,928.40

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Solution

The fourth proportional to 1,129,071.15, 1,693,114.65 and 454,928.40 is: 682,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,071.15 : 1,693,114.65 = 454,928.40 : x
  2. Step 2: Convert to fraction form
    1,129,071.15/1,693,114.65 = 454,928.40/x
  3. Step 3: Cross multiply
    1,129,071.15x = 1,693,114.65 × 454,928.40
  4. Step 4: Simplify right side
    1,129,071.15x = 770,245,938,741.06
  5. Step 5: Solve for x
    x = 770,245,938,741.06/1,129,071.15
  6. Step 6: Final answer
    x = 682,194.33

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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.