Home / 1,269,417.47-1,904,600.20-511,473.96

Finding the Fourth Proportional to 1,269,417.47, 1,904,600.20 and 511,473.96

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Solution

The fourth proportional to 1,269,417.47, 1,904,600.20 and 511,473.96 is: 767,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,417.47 : 1,904,600.20 = 511,473.96 : x
  2. Step 2: Convert to fraction form
    1,269,417.47/1,904,600.20 = 511,473.96/x
  3. Step 3: Cross multiply
    1,269,417.47x = 1,904,600.20 × 511,473.96
  4. Step 4: Simplify right side
    1,269,417.47x = 974,153,400,313.90
  5. Step 5: Solve for x
    x = 974,153,400,313.90/1,269,417.47
  6. Step 6: Final answer
    x = 767,401.92

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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.