Home / 1,133,789.12-1,564,628.84-624,491.48

Finding the Fourth Proportional to 1,133,789.12, 1,564,628.84 and 624,491.48

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Solution

The fourth proportional to 1,133,789.12, 1,564,628.84 and 624,491.48 is: 861,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,789.12 : 1,564,628.84 = 624,491.48 : x
  2. Step 2: Convert to fraction form
    1,133,789.12/1,564,628.84 = 624,491.48/x
  3. Step 3: Cross multiply
    1,133,789.12x = 1,564,628.84 × 624,491.48
  4. Step 4: Simplify right side
    1,133,789.12x = 977,097,379,942.28
  5. Step 5: Solve for x
    x = 977,097,379,942.28/1,133,789.12
  6. Step 6: Final answer
    x = 861,798.16

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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.