Home / 1,095,795.39-1,644,129.04-421,695.70

Finding the Fourth Proportional to 1,095,795.39, 1,644,129.04 and 421,695.70

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Solution

The fourth proportional to 1,095,795.39, 1,644,129.04 and 421,695.70 is: 632,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,795.39 : 1,644,129.04 = 421,695.70 : x
  2. Step 2: Convert to fraction form
    1,095,795.39/1,644,129.04 = 421,695.70/x
  3. Step 3: Cross multiply
    1,095,795.39x = 1,644,129.04 × 421,695.70
  4. Step 4: Simplify right side
    1,095,795.39x = 693,322,143,017.02
  5. Step 5: Solve for x
    x = 693,322,143,017.02/1,095,795.39
  6. Step 6: Final answer
    x = 632,711.31

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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.