Home / 1,071,786.48-1,478,762.34-690,034.28

Finding the Fourth Proportional to 1,071,786.48, 1,478,762.34 and 690,034.28

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Solution

The fourth proportional to 1,071,786.48, 1,478,762.34 and 690,034.28 is: 952,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,786.48 : 1,478,762.34 = 690,034.28 : x
  2. Step 2: Convert to fraction form
    1,071,786.48/1,478,762.34 = 690,034.28/x
  3. Step 3: Cross multiply
    1,071,786.48x = 1,478,762.34 × 690,034.28
  4. Step 4: Simplify right side
    1,071,786.48x = 1,020,396,706,573.02
  5. Step 5: Solve for x
    x = 1,020,396,706,573.02/1,071,786.48
  6. Step 6: Final answer
    x = 952,052.23

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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.