Home / 1,431,654-1,975,632.16-787,069.52

Finding the Fourth Proportional to 1,431,654, 1,975,632.16 and 787,069.52

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Solution

The fourth proportional to 1,431,654, 1,975,632.16 and 787,069.52 is: 1,086,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,654 : 1,975,632.16 = 787,069.52 : x
  2. Step 2: Convert to fraction form
    1,431,654/1,975,632.16 = 787,069.52/x
  3. Step 3: Cross multiply
    1,431,654x = 1,975,632.16 × 787,069.52
  4. Step 4: Simplify right side
    1,431,654x = 1,554,959,855,867.76
  5. Step 5: Solve for x
    x = 1,554,959,855,867.76/1,431,654
  6. Step 6: Final answer
    x = 1,086,128.25

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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.