Home / 1,424,499.80-2,136,749.70-413,619.80

Finding the Fourth Proportional to 1,424,499.80, 2,136,749.70 and 413,619.80

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Solution

The fourth proportional to 1,424,499.80, 2,136,749.70 and 413,619.80 is: 620,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,499.80 : 2,136,749.70 = 413,619.80 : x
  2. Step 2: Convert to fraction form
    1,424,499.80/2,136,749.70 = 413,619.80/x
  3. Step 3: Cross multiply
    1,424,499.80x = 2,136,749.70 × 413,619.80
  4. Step 4: Simplify right side
    1,424,499.80x = 883,801,983,564.06
  5. Step 5: Solve for x
    x = 883,801,983,564.06/1,424,499.80
  6. Step 6: Final answer
    x = 620,429.70

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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.