Home / 1,423,239.64-2,136,122.44-665,493.34

Finding the Fourth Proportional to 1,423,239.64, 2,136,122.44 and 665,493.34

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Solution

The fourth proportional to 1,423,239.64, 2,136,122.44 and 665,493.34 is: 998,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,239.64 : 2,136,122.44 = 665,493.34 : x
  2. Step 2: Convert to fraction form
    1,423,239.64/2,136,122.44 = 665,493.34/x
  3. Step 3: Cross multiply
    1,423,239.64x = 2,136,122.44 × 665,493.34
  4. Step 4: Simplify right side
    1,423,239.64x = 1,421,575,257,244.55
  5. Step 5: Solve for x
    x = 1,421,575,257,244.55/1,423,239.64
  6. Step 6: Final answer
    x = 998,830.57

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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.