Home / 990,819.39-1,486,801.11-535,412.18

Finding the Fourth Proportional to 990,819.39, 1,486,801.11 and 535,412.18

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Solution

The fourth proportional to 990,819.39, 1,486,801.11 and 535,412.18 is: 803,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,819.39 : 1,486,801.11 = 535,412.18 : x
  2. Step 2: Convert to fraction form
    990,819.39/1,486,801.11 = 535,412.18/x
  3. Step 3: Cross multiply
    990,819.39x = 1,486,801.11 × 535,412.18
  4. Step 4: Simplify right side
    990,819.39x = 796,051,416,097.51
  5. Step 5: Solve for x
    x = 796,051,416,097.51/990,819.39
  6. Step 6: Final answer
    x = 803,427.37

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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.