Home / 1,271,430.03-1,754,554.05-690,650.31

Finding the Fourth Proportional to 1,271,430.03, 1,754,554.05 and 690,650.31

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Solution

The fourth proportional to 1,271,430.03, 1,754,554.05 and 690,650.31 is: 953,086.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,430.03 : 1,754,554.05 = 690,650.31 : x
  2. Step 2: Convert to fraction form
    1,271,430.03/1,754,554.05 = 690,650.31/x
  3. Step 3: Cross multiply
    1,271,430.03x = 1,754,554.05 × 690,650.31
  4. Step 4: Simplify right side
    1,271,430.03x = 1,211,783,298,544.26
  5. Step 5: Solve for x
    x = 1,211,783,298,544.26/1,271,430.03
  6. Step 6: Final answer
    x = 953,086.89

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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.