Home / 1,415,953.86-2,122,508.75-455,703.82

Finding the Fourth Proportional to 1,415,953.86, 2,122,508.75 and 455,703.82

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Solution

The fourth proportional to 1,415,953.86, 2,122,508.75 and 455,703.82 is: 683,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,953.86 : 2,122,508.75 = 455,703.82 : x
  2. Step 2: Convert to fraction form
    1,415,953.86/2,122,508.75 = 455,703.82/x
  3. Step 3: Cross multiply
    1,415,953.86x = 2,122,508.75 × 455,703.82
  4. Step 4: Simplify right side
    1,415,953.86x = 967,235,351,635.22
  5. Step 5: Solve for x
    x = 967,235,351,635.22/1,415,953.86
  6. Step 6: Final answer
    x = 683,098.07

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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.