Home / 1,211,452.99-1,671,801.63-667,588.60

Finding the Fourth Proportional to 1,211,452.99, 1,671,801.63 and 667,588.60

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Solution

The fourth proportional to 1,211,452.99, 1,671,801.63 and 667,588.60 is: 921,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,452.99 : 1,671,801.63 = 667,588.60 : x
  2. Step 2: Convert to fraction form
    1,211,452.99/1,671,801.63 = 667,588.60/x
  3. Step 3: Cross multiply
    1,211,452.99x = 1,671,801.63 × 667,588.60
  4. Step 4: Simplify right side
    1,211,452.99x = 1,116,075,709,649.42
  5. Step 5: Solve for x
    x = 1,116,075,709,649.42/1,211,452.99
  6. Step 6: Final answer
    x = 921,270.34

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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.