Home / 1,137,300.19-1,705,379.83-378,875.00

Finding the Fourth Proportional to 1,137,300.19, 1,705,379.83 and 378,875.00

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Solution

The fourth proportional to 1,137,300.19, 1,705,379.83 and 378,875.00 is: 568,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,300.19 : 1,705,379.83 = 378,875.00 : x
  2. Step 2: Convert to fraction form
    1,137,300.19/1,705,379.83 = 378,875.00/x
  3. Step 3: Cross multiply
    1,137,300.19x = 1,705,379.83 × 378,875.00
  4. Step 4: Simplify right side
    1,137,300.19x = 646,125,786,407.51
  5. Step 5: Solve for x
    x = 646,125,786,407.51/1,137,300.19
  6. Step 6: Final answer
    x = 568,122.47

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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.