Home / 1,155,256.78-1,732,890.04-758,408.62

Finding the Fourth Proportional to 1,155,256.78, 1,732,890.04 and 758,408.62

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Solution

The fourth proportional to 1,155,256.78, 1,732,890.04 and 758,408.62 is: 1,137,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,256.78 : 1,732,890.04 = 758,408.62 : x
  2. Step 2: Convert to fraction form
    1,155,256.78/1,732,890.04 = 758,408.62/x
  3. Step 3: Cross multiply
    1,155,256.78x = 1,732,890.04 × 758,408.62
  4. Step 4: Simplify right side
    1,155,256.78x = 1,314,238,743,848.14
  5. Step 5: Solve for x
    x = 1,314,238,743,848.14/1,155,256.78
  6. Step 6: Final answer
    x = 1,137,616.13

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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.