Home / 1,853,881.20-2,780,821.80-731,804.40

Finding the Fourth Proportional to 1,853,881.20, 2,780,821.80 and 731,804.40

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Solution

The fourth proportional to 1,853,881.20, 2,780,821.80 and 731,804.40 is: 1,097,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,881.20 : 2,780,821.80 = 731,804.40 : x
  2. Step 2: Convert to fraction form
    1,853,881.20/2,780,821.80 = 731,804.40/x
  3. Step 3: Cross multiply
    1,853,881.20x = 2,780,821.80 × 731,804.40
  4. Step 4: Simplify right side
    1,853,881.20x = 2,035,017,628,855.92
  5. Step 5: Solve for x
    x = 2,035,017,628,855.92/1,853,881.20
  6. Step 6: Final answer
    x = 1,097,706.60

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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.