Home / 1,213,620.51-1,820,627.60-455,521.26

Finding the Fourth Proportional to 1,213,620.51, 1,820,627.60 and 455,521.26

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Solution

The fourth proportional to 1,213,620.51, 1,820,627.60 and 455,521.26 is: 683,355.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,620.51 : 1,820,627.60 = 455,521.26 : x
  2. Step 2: Convert to fraction form
    1,213,620.51/1,820,627.60 = 455,521.26/x
  3. Step 3: Cross multiply
    1,213,620.51x = 1,820,627.60 × 455,521.26
  4. Step 4: Simplify right side
    1,213,620.51x = 829,334,576,065.17
  5. Step 5: Solve for x
    x = 829,334,576,065.17/1,213,620.51
  6. Step 6: Final answer
    x = 683,355.77

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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.