Home / 1,029,319.37-1,543,967.85-421,972.22

Finding the Fourth Proportional to 1,029,319.37, 1,543,967.85 and 421,972.22

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Solution

The fourth proportional to 1,029,319.37, 1,543,967.85 and 421,972.22 is: 632,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,319.37 : 1,543,967.85 = 421,972.22 : x
  2. Step 2: Convert to fraction form
    1,029,319.37/1,543,967.85 = 421,972.22/x
  3. Step 3: Cross multiply
    1,029,319.37x = 1,543,967.85 × 421,972.22
  4. Step 4: Simplify right side
    1,029,319.37x = 651,511,533,553.29
  5. Step 5: Solve for x
    x = 651,511,533,553.29/1,029,319.37
  6. Step 6: Final answer
    x = 632,953.73

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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.