Home / 1,271,070.43-1,754,071.20-690,289.49

Finding the Fourth Proportional to 1,271,070.43, 1,754,071.20 and 690,289.49

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Solution

The fourth proportional to 1,271,070.43, 1,754,071.20 and 690,289.49 is: 952,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,070.43 : 1,754,071.20 = 690,289.49 : x
  2. Step 2: Convert to fraction form
    1,271,070.43/1,754,071.20 = 690,289.49/x
  3. Step 3: Cross multiply
    1,271,070.43x = 1,754,071.20 × 690,289.49
  4. Step 4: Simplify right side
    1,271,070.43x = 1,210,816,918,456.87
  5. Step 5: Solve for x
    x = 1,210,816,918,456.87/1,271,070.43
  6. Step 6: Final answer
    x = 952,596.25

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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.