Home / 1,510,357.86-2,265,611.47-431,029.50

Finding the Fourth Proportional to 1,510,357.86, 2,265,611.47 and 431,029.50

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Solution

The fourth proportional to 1,510,357.86, 2,265,611.47 and 431,029.50 is: 646,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,357.86 : 2,265,611.47 = 431,029.50 : x
  2. Step 2: Convert to fraction form
    1,510,357.86/2,265,611.47 = 431,029.50/x
  3. Step 3: Cross multiply
    1,510,357.86x = 2,265,611.47 × 431,029.50
  4. Step 4: Simplify right side
    1,510,357.86x = 976,545,379,108.37
  5. Step 5: Solve for x
    x = 976,545,379,108.37/1,510,357.86
  6. Step 6: Final answer
    x = 646,565.56

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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.