Home / 1,471,938.40-2,208,053.40-512,246.35

Finding the Fourth Proportional to 1,471,938.40, 2,208,053.40 and 512,246.35

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Solution

The fourth proportional to 1,471,938.40, 2,208,053.40 and 512,246.35 is: 768,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,938.40 : 2,208,053.40 = 512,246.35 : x
  2. Step 2: Convert to fraction form
    1,471,938.40/2,208,053.40 = 512,246.35/x
  3. Step 3: Cross multiply
    1,471,938.40x = 2,208,053.40 × 512,246.35
  4. Step 4: Simplify right side
    1,471,938.40x = 1,131,067,294,755.09
  5. Step 5: Solve for x
    x = 1,131,067,294,755.09/1,471,938.40
  6. Step 6: Final answer
    x = 768,420.26

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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.