Home / 1,129,107.52-1,557,911.10-669,984.94

Finding the Fourth Proportional to 1,129,107.52, 1,557,911.10 and 669,984.94

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Solution

The fourth proportional to 1,129,107.52, 1,557,911.10 and 669,984.94 is: 924,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,107.52 : 1,557,911.10 = 669,984.94 : x
  2. Step 2: Convert to fraction form
    1,129,107.52/1,557,911.10 = 669,984.94/x
  3. Step 3: Cross multiply
    1,129,107.52x = 1,557,911.10 × 669,984.94
  4. Step 4: Simplify right side
    1,129,107.52x = 1,043,776,974,858.83
  5. Step 5: Solve for x
    x = 1,043,776,974,858.83/1,129,107.52
  6. Step 6: Final answer
    x = 924,426.55

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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.