Home / 1,089,271.38-1,503,089.18-630,294.38

Finding the Fourth Proportional to 1,089,271.38, 1,503,089.18 and 630,294.38

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Solution

The fourth proportional to 1,089,271.38, 1,503,089.18 and 630,294.38 is: 869,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,271.38 : 1,503,089.18 = 630,294.38 : x
  2. Step 2: Convert to fraction form
    1,089,271.38/1,503,089.18 = 630,294.38/x
  3. Step 3: Cross multiply
    1,089,271.38x = 1,503,089.18 × 630,294.38
  4. Step 4: Simplify right side
    1,089,271.38x = 947,388,662,792.81
  5. Step 5: Solve for x
    x = 947,388,662,792.81/1,089,271.38
  6. Step 6: Final answer
    x = 869,745.30

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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.