Home / 1,292,328.96-1,937,289.22-438,817.02

Finding the Fourth Proportional to 1,292,328.96, 1,937,289.22 and 438,817.02

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Solution

The fourth proportional to 1,292,328.96, 1,937,289.22 and 438,817.02 is: 657,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,328.96 : 1,937,289.22 = 438,817.02 : x
  2. Step 2: Convert to fraction form
    1,292,328.96/1,937,289.22 = 438,817.02/x
  3. Step 3: Cross multiply
    1,292,328.96x = 1,937,289.22 × 438,817.02
  4. Step 4: Simplify right side
    1,292,328.96x = 850,115,479,485.27
  5. Step 5: Solve for x
    x = 850,115,479,485.27/1,292,328.96
  6. Step 6: Final answer
    x = 657,816.63

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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.