Home / 1,137,291.18-1,705,366.33-378,866.01

Finding the Fourth Proportional to 1,137,291.18, 1,705,366.33 and 378,866.01

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Solution

The fourth proportional to 1,137,291.18, 1,705,366.33 and 378,866.01 is: 568,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,291.18 : 1,705,366.33 = 378,866.01 : x
  2. Step 2: Convert to fraction form
    1,137,291.18/1,705,366.33 = 378,866.01/x
  3. Step 3: Cross multiply
    1,137,291.18x = 1,705,366.33 × 378,866.01
  4. Step 4: Simplify right side
    1,137,291.18x = 646,105,333,956.28
  5. Step 5: Solve for x
    x = 646,105,333,956.28/1,137,291.18
  6. Step 6: Final answer
    x = 568,108.98

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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.