Home / 1,038,611.21-1,433,279.90-579,721.80

Finding the Fourth Proportional to 1,038,611.21, 1,433,279.90 and 579,721.80

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Solution

The fourth proportional to 1,038,611.21, 1,433,279.90 and 579,721.80 is: 800,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,611.21 : 1,433,279.90 = 579,721.80 : x
  2. Step 2: Convert to fraction form
    1,038,611.21/1,433,279.90 = 579,721.80/x
  3. Step 3: Cross multiply
    1,038,611.21x = 1,433,279.90 × 579,721.80
  4. Step 4: Simplify right side
    1,038,611.21x = 830,903,600,633.21
  5. Step 5: Solve for x
    x = 830,903,600,633.21/1,038,611.21
  6. Step 6: Final answer
    x = 800,014.09

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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.