Home / 1,043,678.72-1,441,154.43-785,107.49

Finding the Fourth Proportional to 1,043,678.72, 1,441,154.43 and 785,107.49

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Solution

The fourth proportional to 1,043,678.72, 1,441,154.43 and 785,107.49 is: 1,084,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,678.72 : 1,441,154.43 = 785,107.49 : x
  2. Step 2: Convert to fraction form
    1,043,678.72/1,441,154.43 = 785,107.49/x
  3. Step 3: Cross multiply
    1,043,678.72x = 1,441,154.43 × 785,107.49
  4. Step 4: Simplify right side
    1,043,678.72x = 1,131,461,130,033.91
  5. Step 5: Solve for x
    x = 1,131,461,130,033.91/1,043,678.72
  6. Step 6: Final answer
    x = 1,084,108.65

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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.