Home / 1,308,012.12-1,961,174.71-624,529.29

Finding the Fourth Proportional to 1,308,012.12, 1,961,174.71 and 624,529.29

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Solution

The fourth proportional to 1,308,012.12, 1,961,174.71 and 624,529.29 is: 936,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,012.12 : 1,961,174.71 = 624,529.29 : x
  2. Step 2: Convert to fraction form
    1,308,012.12/1,961,174.71 = 624,529.29/x
  3. Step 3: Cross multiply
    1,308,012.12x = 1,961,174.71 × 624,529.29
  4. Step 4: Simplify right side
    1,308,012.12x = 1,224,811,044,549.23
  5. Step 5: Solve for x
    x = 1,224,811,044,549.23/1,308,012.12
  6. Step 6: Final answer
    x = 936,391.20

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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.