Home / 1,145,289.10-1,718,128.05-346,564.30

Finding the Fourth Proportional to 1,145,289.10, 1,718,128.05 and 346,564.30

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Solution

The fourth proportional to 1,145,289.10, 1,718,128.05 and 346,564.30 is: 519,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,289.10 : 1,718,128.05 = 346,564.30 : x
  2. Step 2: Convert to fraction form
    1,145,289.10/1,718,128.05 = 346,564.30/x
  3. Step 3: Cross multiply
    1,145,289.10x = 1,718,128.05 × 346,564.30
  4. Step 4: Simplify right side
    1,145,289.10x = 595,441,844,958.62
  5. Step 5: Solve for x
    x = 595,441,844,958.62/1,145,289.10
  6. Step 6: Final answer
    x = 519,905.28

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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.