Home / 1,292,181.75-1,938,272.52-345,527.87

Finding the Fourth Proportional to 1,292,181.75, 1,938,272.52 and 345,527.87

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Solution

The fourth proportional to 1,292,181.75, 1,938,272.52 and 345,527.87 is: 518,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,181.75 : 1,938,272.52 = 345,527.87 : x
  2. Step 2: Convert to fraction form
    1,292,181.75/1,938,272.52 = 345,527.87/x
  3. Step 3: Cross multiply
    1,292,181.75x = 1,938,272.52 × 345,527.87
  4. Step 4: Simplify right side
    1,292,181.75x = 669,727,169,455.50
  5. Step 5: Solve for x
    x = 669,727,169,455.50/1,292,181.75
  6. Step 6: Final answer
    x = 518,291.77

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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.