Home / 1,665,237.43-2,298,083.30-1,020,533.05

Finding the Fourth Proportional to 1,665,237.43, 2,298,083.30 and 1,020,533.05

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Solution

The fourth proportional to 1,665,237.43, 2,298,083.30 and 1,020,533.05 is: 1,408,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,237.43 : 2,298,083.30 = 1,020,533.05 : x
  2. Step 2: Convert to fraction form
    1,665,237.43/2,298,083.30 = 1,020,533.05/x
  3. Step 3: Cross multiply
    1,665,237.43x = 2,298,083.30 × 1,020,533.05
  4. Step 4: Simplify right side
    1,665,237.43x = 2,345,269,959,303.07
  5. Step 5: Solve for x
    x = 2,345,269,959,303.07/1,665,237.43
  6. Step 6: Final answer
    x = 1,408,369.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.