Home / 1,200,245.60-1,656,495.60-690,969.44

Finding the Fourth Proportional to 1,200,245.60, 1,656,495.60 and 690,969.44

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Solution

The fourth proportional to 1,200,245.60, 1,656,495.60 and 690,969.44 is: 953,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,245.60 : 1,656,495.60 = 690,969.44 : x
  2. Step 2: Convert to fraction form
    1,200,245.60/1,656,495.60 = 690,969.44/x
  3. Step 3: Cross multiply
    1,200,245.60x = 1,656,495.60 × 690,969.44
  4. Step 4: Simplify right side
    1,200,245.60x = 1,144,587,837,094.46
  5. Step 5: Solve for x
    x = 1,144,587,837,094.46/1,200,245.60
  6. Step 6: Final answer
    x = 953,628.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.