Home / 1,269,595.50-1,904,371.19-511,417.58

Finding the Fourth Proportional to 1,269,595.50, 1,904,371.19 and 511,417.58

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Solution

The fourth proportional to 1,269,595.50, 1,904,371.19 and 511,417.58 is: 767,117.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,595.50 : 1,904,371.19 = 511,417.58 : x
  2. Step 2: Convert to fraction form
    1,269,595.50/1,904,371.19 = 511,417.58/x
  3. Step 3: Cross multiply
    1,269,595.50x = 1,904,371.19 × 511,417.58
  4. Step 4: Simplify right side
    1,269,595.50x = 973,928,912,756.89
  5. Step 5: Solve for x
    x = 973,928,912,756.89/1,269,595.50
  6. Step 6: Final answer
    x = 767,117.49

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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.