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Finding the Fourth Proportional to 1,259,888, 1,889,832 and 373,424

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Solution

The fourth proportional to 1,259,888, 1,889,832 and 373,424 is: 560,136

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,888 : 1,889,832 = 373,424 : x
  2. Step 2: Convert to fraction form
    1,259,888/1,889,832 = 373,424/x
  3. Step 3: Cross multiply
    1,259,888x = 1,889,832 × 373,424
  4. Step 4: Simplify right side
    1,259,888x = 705,708,624,768
  5. Step 5: Solve for x
    x = 705,708,624,768/1,259,888
  6. Step 6: Final answer
    x = 560,136

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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.