Home / 1,089,075.25-1,632,140.89-414,788.72

Finding the Fourth Proportional to 1,089,075.25, 1,632,140.89 and 414,788.72

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Solution

The fourth proportional to 1,089,075.25, 1,632,140.89 and 414,788.72 is: 621,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,075.25 : 1,632,140.89 = 414,788.72 : x
  2. Step 2: Convert to fraction form
    1,089,075.25/1,632,140.89 = 414,788.72/x
  3. Step 3: Cross multiply
    1,089,075.25x = 1,632,140.89 × 414,788.72
  4. Step 4: Simplify right side
    1,089,075.25x = 676,993,622,462.06
  5. Step 5: Solve for x
    x = 676,993,622,462.06/1,089,075.25
  6. Step 6: Final answer
    x = 621,622.45

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1.5x scale

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.