Home / 1,445,144.94-1,994,412.51-800,624.70

Finding the Fourth Proportional to 1,445,144.94, 1,994,412.51 and 800,624.70

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Solution

The fourth proportional to 1,445,144.94, 1,994,412.51 and 800,624.70 is: 1,104,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,144.94 : 1,994,412.51 = 800,624.70 : x
  2. Step 2: Convert to fraction form
    1,445,144.94/1,994,412.51 = 800,624.70/x
  3. Step 3: Cross multiply
    1,445,144.94x = 1,994,412.51 × 800,624.70
  4. Step 4: Simplify right side
    1,445,144.94x = 1,596,775,917,495.00
  5. Step 5: Solve for x
    x = 1,596,775,917,495.00/1,445,144.94
  6. Step 6: Final answer
    x = 1,104,924.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.