Home / 1,292,181.57-1,938,272.23-345,527.69

Finding the Fourth Proportional to 1,292,181.57, 1,938,272.23 and 345,527.69

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Solution

The fourth proportional to 1,292,181.57, 1,938,272.23 and 345,527.69 is: 518,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,181.57 : 1,938,272.23 = 345,527.69 : x
  2. Step 2: Convert to fraction form
    1,292,181.57/1,938,272.23 = 345,527.69/x
  3. Step 3: Cross multiply
    1,292,181.57x = 1,938,272.23 × 345,527.69
  4. Step 4: Simplify right side
    1,292,181.57x = 669,726,716,963.60
  5. Step 5: Solve for x
    x = 669,726,716,963.60/1,292,181.57
  6. Step 6: Final answer
    x = 518,291.49

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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.