Home / 1,297,068.57-1,946,783.52-690,366.24

Finding the Fourth Proportional to 1,297,068.57, 1,946,783.52 and 690,366.24

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Solution

The fourth proportional to 1,297,068.57, 1,946,783.52 and 690,366.24 is: 1,036,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,068.57 : 1,946,783.52 = 690,366.24 : x
  2. Step 2: Convert to fraction form
    1,297,068.57/1,946,783.52 = 690,366.24/x
  3. Step 3: Cross multiply
    1,297,068.57x = 1,946,783.52 × 690,366.24
  4. Step 4: Simplify right side
    1,297,068.57x = 1,343,993,618,796.36
  5. Step 5: Solve for x
    x = 1,343,993,618,796.36/1,297,068.57
  6. Step 6: Final answer
    x = 1,036,177.77

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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.