Home / 1,133,379-1,564,063.02-624,080.16

Finding the Fourth Proportional to 1,133,379, 1,564,063.02 and 624,080.16

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Solution

The fourth proportional to 1,133,379, 1,564,063.02 and 624,080.16 is: 861,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,379 : 1,564,063.02 = 624,080.16 : x
  2. Step 2: Convert to fraction form
    1,133,379/1,564,063.02 = 624,080.16/x
  3. Step 3: Cross multiply
    1,133,379x = 1,564,063.02 × 624,080.16
  4. Step 4: Simplify right side
    1,133,379x = 976,100,699,771.68
  5. Step 5: Solve for x
    x = 976,100,699,771.68/1,133,379
  6. Step 6: Final answer
    x = 861,230.62

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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.