Home / 1,456,385.47-2,183,062.51-815,749.95

Finding the Fourth Proportional to 1,456,385.47, 2,183,062.51 and 815,749.95

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Solution

The fourth proportional to 1,456,385.47, 2,183,062.51 and 815,749.95 is: 1,222,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,385.47 : 2,183,062.51 = 815,749.95 : x
  2. Step 2: Convert to fraction form
    1,456,385.47/2,183,062.51 = 815,749.95/x
  3. Step 3: Cross multiply
    1,456,385.47x = 2,183,062.51 × 815,749.95
  4. Step 4: Simplify right side
    1,456,385.47x = 1,780,833,133,379.37
  5. Step 5: Solve for x
    x = 1,780,833,133,379.37/1,456,385.47
  6. Step 6: Final answer
    x = 1,222,775.95

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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.