Home / 1,036,889.05-1,556,317.73-638,308.30

Finding the Fourth Proportional to 1,036,889.05, 1,556,317.73 and 638,308.30

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Solution

The fourth proportional to 1,036,889.05, 1,556,317.73 and 638,308.30 is: 958,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,889.05 : 1,556,317.73 = 638,308.30 : x
  2. Step 2: Convert to fraction form
    1,036,889.05/1,556,317.73 = 638,308.30/x
  3. Step 3: Cross multiply
    1,036,889.05x = 1,556,317.73 × 638,308.30
  4. Step 4: Simplify right side
    1,036,889.05x = 993,410,524,496.16
  5. Step 5: Solve for x
    x = 993,410,524,496.16/1,036,889.05
  6. Step 6: Final answer
    x = 958,068.30

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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.