Home / 1,448,402.40-2,173,640.40-816,645.60

Finding the Fourth Proportional to 1,448,402.40, 2,173,640.40 and 816,645.60

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Solution

The fourth proportional to 1,448,402.40, 2,173,640.40 and 816,645.60 is: 1,225,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,402.40 : 2,173,640.40 = 816,645.60 : x
  2. Step 2: Convert to fraction form
    1,448,402.40/2,173,640.40 = 816,645.60/x
  3. Step 3: Cross multiply
    1,448,402.40x = 2,173,640.40 × 816,645.60
  4. Step 4: Simplify right side
    1,448,402.40x = 1,775,093,868,642.24
  5. Step 5: Solve for x
    x = 1,775,093,868,642.24/1,448,402.40
  6. Step 6: Final answer
    x = 1,225,552.97

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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.