Home / 1,513,603.07-2,088,788.73-825,269.42

Finding the Fourth Proportional to 1,513,603.07, 2,088,788.73 and 825,269.42

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Solution

The fourth proportional to 1,513,603.07, 2,088,788.73 and 825,269.42 is: 1,138,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,603.07 : 2,088,788.73 = 825,269.42 : x
  2. Step 2: Convert to fraction form
    1,513,603.07/2,088,788.73 = 825,269.42/x
  3. Step 3: Cross multiply
    1,513,603.07x = 2,088,788.73 × 825,269.42
  4. Step 4: Simplify right side
    1,513,603.07x = 1,723,813,453,265.69
  5. Step 5: Solve for x
    x = 1,723,813,453,265.69/1,513,603.07
  6. Step 6: Final answer
    x = 1,138,880.79

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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.