Home / 1,123,629.12-1,685,611.53-413,603.19

Finding the Fourth Proportional to 1,123,629.12, 1,685,611.53 and 413,603.19

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Solution

The fourth proportional to 1,123,629.12, 1,685,611.53 and 413,603.19 is: 620,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,629.12 : 1,685,611.53 = 413,603.19 : x
  2. Step 2: Convert to fraction form
    1,123,629.12/1,685,611.53 = 413,603.19/x
  3. Step 3: Cross multiply
    1,123,629.12x = 1,685,611.53 × 413,603.19
  4. Step 4: Simplify right side
    1,123,629.12x = 697,174,305,908.78
  5. Step 5: Solve for x
    x = 697,174,305,908.78/1,123,629.12
  6. Step 6: Final answer
    x = 620,466.57

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1.5x scale

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.