Home / 1,272,324.55-1,908,443.02-325,703.43

Finding the Fourth Proportional to 1,272,324.55, 1,908,443.02 and 325,703.43

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Solution

The fourth proportional to 1,272,324.55, 1,908,443.02 and 325,703.43 is: 488,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,324.55 : 1,908,443.02 = 325,703.43 : x
  2. Step 2: Convert to fraction form
    1,272,324.55/1,908,443.02 = 325,703.43/x
  3. Step 3: Cross multiply
    1,272,324.55x = 1,908,443.02 × 325,703.43
  4. Step 4: Simplify right side
    1,272,324.55x = 621,586,437,573.56
  5. Step 5: Solve for x
    x = 621,586,437,573.56/1,272,324.55
  6. Step 6: Final answer
    x = 488,543.93

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1.5x scale

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.