Home / 1,285,882.69-1,774,575.72-734,646.60

Finding the Fourth Proportional to 1,285,882.69, 1,774,575.72 and 734,646.60

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Solution

The fourth proportional to 1,285,882.69, 1,774,575.72 and 734,646.60 is: 1,013,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,882.69 : 1,774,575.72 = 734,646.60 : x
  2. Step 2: Convert to fraction form
    1,285,882.69/1,774,575.72 = 734,646.60/x
  3. Step 3: Cross multiply
    1,285,882.69x = 1,774,575.72 × 734,646.60
  4. Step 4: Simplify right side
    1,285,882.69x = 1,303,686,019,140.55
  5. Step 5: Solve for x
    x = 1,303,686,019,140.55/1,285,882.69
  6. Step 6: Final answer
    x = 1,013,845.22

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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.