Home / 1,275,343.52-1,913,132.40-328,717.60

Finding the Fourth Proportional to 1,275,343.52, 1,913,132.40 and 328,717.60

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Solution

The fourth proportional to 1,275,343.52, 1,913,132.40 and 328,717.60 is: 493,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,343.52 : 1,913,132.40 = 328,717.60 : x
  2. Step 2: Convert to fraction form
    1,275,343.52/1,913,132.40 = 328,717.60/x
  3. Step 3: Cross multiply
    1,275,343.52x = 1,913,132.40 × 328,717.60
  4. Step 4: Simplify right side
    1,275,343.52x = 628,880,291,010.24
  5. Step 5: Solve for x
    x = 628,880,291,010.24/1,275,343.52
  6. Step 6: Final answer
    x = 493,106.59

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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.