Home / 1,029,327.47-1,543,979.94-421,980.26

Finding the Fourth Proportional to 1,029,327.47, 1,543,979.94 and 421,980.26

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Solution

The fourth proportional to 1,029,327.47, 1,543,979.94 and 421,980.26 is: 632,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,327.47 : 1,543,979.94 = 421,980.26 : x
  2. Step 2: Convert to fraction form
    1,029,327.47/1,543,979.94 = 421,980.26/x
  3. Step 3: Cross multiply
    1,029,327.47x = 1,543,979.94 × 421,980.26
  4. Step 4: Simplify right side
    1,029,327.47x = 651,529,048,796.09
  5. Step 5: Solve for x
    x = 651,529,048,796.09/1,029,327.47
  6. Step 6: Final answer
    x = 632,965.77

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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.