Home / 1,282,095.42-1,923,244.26-429,172.05

Finding the Fourth Proportional to 1,282,095.42, 1,923,244.26 and 429,172.05

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Solution

The fourth proportional to 1,282,095.42, 1,923,244.26 and 429,172.05 is: 643,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,095.42 : 1,923,244.26 = 429,172.05 : x
  2. Step 2: Convert to fraction form
    1,282,095.42/1,923,244.26 = 429,172.05/x
  3. Step 3: Cross multiply
    1,282,095.42x = 1,923,244.26 × 429,172.05
  4. Step 4: Simplify right side
    1,282,095.42x = 825,402,681,714.93
  5. Step 5: Solve for x
    x = 825,402,681,714.93/1,282,095.42
  6. Step 6: Final answer
    x = 643,791.93

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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.