Home / 1,089,261.68-1,503,075.94-630,284.90

Finding the Fourth Proportional to 1,089,261.68, 1,503,075.94 and 630,284.90

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Solution

The fourth proportional to 1,089,261.68, 1,503,075.94 and 630,284.90 is: 869,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,261.68 : 1,503,075.94 = 630,284.90 : x
  2. Step 2: Convert to fraction form
    1,089,261.68/1,503,075.94 = 630,284.90/x
  3. Step 3: Cross multiply
    1,089,261.68x = 1,503,075.94 × 630,284.90
  4. Step 4: Simplify right side
    1,089,261.68x = 947,366,062,989.57
  5. Step 5: Solve for x
    x = 947,366,062,989.57/1,089,261.68
  6. Step 6: Final answer
    x = 869,732.30

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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.