Home / 1,294,590.78-1,787,300.72-1,150,953.32

Finding the Fourth Proportional to 1,294,590.78, 1,787,300.72 and 1,150,953.32

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Solution

The fourth proportional to 1,294,590.78, 1,787,300.72 and 1,150,953.32 is: 1,588,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,590.78 : 1,787,300.72 = 1,150,953.32 : x
  2. Step 2: Convert to fraction form
    1,294,590.78/1,787,300.72 = 1,150,953.32/x
  3. Step 3: Cross multiply
    1,294,590.78x = 1,787,300.72 × 1,150,953.32
  4. Step 4: Simplify right side
    1,294,590.78x = 2,057,099,697,522.39
  5. Step 5: Solve for x
    x = 2,057,099,697,522.39/1,294,590.78
  6. Step 6: Final answer
    x = 1,588,996.10

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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.