Home / 1,528,421-2,292,908.20-629,372.42

Finding the Fourth Proportional to 1,528,421, 2,292,908.20 and 629,372.42

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Solution

The fourth proportional to 1,528,421, 2,292,908.20 and 629,372.42 is: 944,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,421 : 2,292,908.20 = 629,372.42 : x
  2. Step 2: Convert to fraction form
    1,528,421/2,292,908.20 = 629,372.42/x
  3. Step 3: Cross multiply
    1,528,421x = 2,292,908.20 × 629,372.42
  4. Step 4: Simplify right side
    1,528,421x = 1,443,093,182,671.84
  5. Step 5: Solve for x
    x = 1,443,093,182,671.84/1,528,421
  6. Step 6: Final answer
    x = 944,172.57

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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.