Home / 1,029,100.80-1,543,800.64-319,186.02

Finding the Fourth Proportional to 1,029,100.80, 1,543,800.64 and 319,186.02

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Solution

The fourth proportional to 1,029,100.80, 1,543,800.64 and 319,186.02 is: 478,825.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,100.80 : 1,543,800.64 = 319,186.02 : x
  2. Step 2: Convert to fraction form
    1,029,100.80/1,543,800.64 = 319,186.02/x
  3. Step 3: Cross multiply
    1,029,100.80x = 1,543,800.64 × 319,186.02
  4. Step 4: Simplify right side
    1,029,100.80x = 492,759,581,955.05
  5. Step 5: Solve for x
    x = 492,759,581,955.05/1,029,100.80
  6. Step 6: Final answer
    x = 478,825.38

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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.