Home / 1,412,556.30-2,118,834.45-749,004.30

Finding the Fourth Proportional to 1,412,556.30, 2,118,834.45 and 749,004.30

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Solution

The fourth proportional to 1,412,556.30, 2,118,834.45 and 749,004.30 is: 1,123,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,556.30 : 2,118,834.45 = 749,004.30 : x
  2. Step 2: Convert to fraction form
    1,412,556.30/2,118,834.45 = 749,004.30/x
  3. Step 3: Cross multiply
    1,412,556.30x = 2,118,834.45 × 749,004.30
  4. Step 4: Simplify right side
    1,412,556.30x = 1,587,016,114,038.14
  5. Step 5: Solve for x
    x = 1,587,016,114,038.14/1,412,556.30
  6. Step 6: Final answer
    x = 1,123,506.45

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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.