Home / 1,333,878.99-2,001,136.82-435,322.40

Finding the Fourth Proportional to 1,333,878.99, 2,001,136.82 and 435,322.40

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Solution

The fourth proportional to 1,333,878.99, 2,001,136.82 and 435,322.40 is: 653,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,878.99 : 2,001,136.82 = 435,322.40 : x
  2. Step 2: Convert to fraction form
    1,333,878.99/2,001,136.82 = 435,322.40/x
  3. Step 3: Cross multiply
    1,333,878.99x = 2,001,136.82 × 435,322.40
  4. Step 4: Simplify right side
    1,333,878.99x = 871,139,671,028.47
  5. Step 5: Solve for x
    x = 871,139,671,028.47/1,333,878.99
  6. Step 6: Final answer
    x = 653,087.48

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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.