Home / 1,415,018.48-2,122,650.73-455,570.64

Finding the Fourth Proportional to 1,415,018.48, 2,122,650.73 and 455,570.64

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Solution

The fourth proportional to 1,415,018.48, 2,122,650.73 and 455,570.64 is: 683,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,018.48 : 2,122,650.73 = 455,570.64 : x
  2. Step 2: Convert to fraction form
    1,415,018.48/2,122,650.73 = 455,570.64/x
  3. Step 3: Cross multiply
    1,415,018.48x = 2,122,650.73 × 455,570.64
  4. Step 4: Simplify right side
    1,415,018.48x = 967,017,352,132.03
  5. Step 5: Solve for x
    x = 967,017,352,132.03/1,415,018.48
  6. Step 6: Final answer
    x = 683,395.57

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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.