Home / 1,285,419.78-1,774,444.37-899,749.87

Finding the Fourth Proportional to 1,285,419.78, 1,774,444.37 and 899,749.87

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Solution

The fourth proportional to 1,285,419.78, 1,774,444.37 and 899,749.87 is: 1,242,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,419.78 : 1,774,444.37 = 899,749.87 : x
  2. Step 2: Convert to fraction form
    1,285,419.78/1,774,444.37 = 899,749.87/x
  3. Step 3: Cross multiply
    1,285,419.78x = 1,774,444.37 × 899,749.87
  4. Step 4: Simplify right side
    1,285,419.78x = 1,596,556,082,294.87
  5. Step 5: Solve for x
    x = 1,596,556,082,294.87/1,285,419.78
  6. Step 6: Final answer
    x = 1,242,050.35

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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.