Home / 1,089,473.76-1,503,658.08-630,601.20

Finding the Fourth Proportional to 1,089,473.76, 1,503,658.08 and 630,601.20

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Solution

The fourth proportional to 1,089,473.76, 1,503,658.08 and 630,601.20 is: 870,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,473.76 : 1,503,658.08 = 630,601.20 : x
  2. Step 2: Convert to fraction form
    1,089,473.76/1,503,658.08 = 630,601.20/x
  3. Step 3: Cross multiply
    1,089,473.76x = 1,503,658.08 × 630,601.20
  4. Step 4: Simplify right side
    1,089,473.76x = 948,208,589,637.70
  5. Step 5: Solve for x
    x = 948,208,589,637.70/1,089,473.76
  6. Step 6: Final answer
    x = 870,336.33

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1.5x scale

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.