Home / 1,665,253.18-2,298,105.03-1,020,548.80

Finding the Fourth Proportional to 1,665,253.18, 2,298,105.03 and 1,020,548.80

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Solution

The fourth proportional to 1,665,253.18, 2,298,105.03 and 1,020,548.80 is: 1,408,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,253.18 : 2,298,105.03 = 1,020,548.80 : x
  2. Step 2: Convert to fraction form
    1,665,253.18/2,298,105.03 = 1,020,548.80/x
  3. Step 3: Cross multiply
    1,665,253.18x = 2,298,105.03 × 1,020,548.80
  4. Step 4: Simplify right side
    1,665,253.18x = 2,345,328,330,640.46
  5. Step 5: Solve for x
    x = 2,345,328,330,640.46/1,665,253.18
  6. Step 6: Final answer
    x = 1,408,391.44

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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.