Home / 1,292,182.95-1,938,274.29-345,529.06

Finding the Fourth Proportional to 1,292,182.95, 1,938,274.29 and 345,529.06

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Solution

The fourth proportional to 1,292,182.95, 1,938,274.29 and 345,529.06 is: 518,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,182.95 : 1,938,274.29 = 345,529.06 : x
  2. Step 2: Convert to fraction form
    1,292,182.95/1,938,274.29 = 345,529.06/x
  3. Step 3: Cross multiply
    1,292,182.95x = 1,938,274.29 × 345,529.06
  4. Step 4: Simplify right side
    1,292,182.95x = 669,730,093,445.87
  5. Step 5: Solve for x
    x = 669,730,093,445.87/1,292,182.95
  6. Step 6: Final answer
    x = 518,293.56

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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.