Home / 1,408,074.48-1,943,140.32-787,880.16

Finding the Fourth Proportional to 1,408,074.48, 1,943,140.32 and 787,880.16

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Solution

The fourth proportional to 1,408,074.48, 1,943,140.32 and 787,880.16 is: 1,087,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,074.48 : 1,943,140.32 = 787,880.16 : x
  2. Step 2: Convert to fraction form
    1,408,074.48/1,943,140.32 = 787,880.16/x
  3. Step 3: Cross multiply
    1,408,074.48x = 1,943,140.32 × 787,880.16
  4. Step 4: Simplify right side
    1,408,074.48x = 1,530,961,706,224.05
  5. Step 5: Solve for x
    x = 1,530,961,706,224.05/1,408,074.48
  6. Step 6: Final answer
    x = 1,087,273.24

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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.