Home / 1,431,680-1,975,668.04-787,095.52

Finding the Fourth Proportional to 1,431,680, 1,975,668.04 and 787,095.52

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Solution

The fourth proportional to 1,431,680, 1,975,668.04 and 787,095.52 is: 1,086,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,680 : 1,975,668.04 = 787,095.52 : x
  2. Step 2: Convert to fraction form
    1,431,680/1,975,668.04 = 787,095.52/x
  3. Step 3: Cross multiply
    1,431,680x = 1,975,668.04 × 787,095.52
  4. Step 4: Simplify right side
    1,431,680x = 1,555,039,463,291.18
  5. Step 5: Solve for x
    x = 1,555,039,463,291.18/1,431,680
  6. Step 6: Final answer
    x = 1,086,164.13

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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.