Home / 1,307,478.09-1,804,308.89-734,505.87

Finding the Fourth Proportional to 1,307,478.09, 1,804,308.89 and 734,505.87

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Solution

The fourth proportional to 1,307,478.09, 1,804,308.89 and 734,505.87 is: 1,013,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,478.09 : 1,804,308.89 = 734,505.87 : x
  2. Step 2: Convert to fraction form
    1,307,478.09/1,804,308.89 = 734,505.87/x
  3. Step 3: Cross multiply
    1,307,478.09x = 1,804,308.89 × 734,505.87
  4. Step 4: Simplify right side
    1,307,478.09x = 1,325,275,467,325.66
  5. Step 5: Solve for x
    x = 1,325,275,467,325.66/1,307,478.09
  6. Step 6: Final answer
    x = 1,013,611.99

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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.