Home / 1,431,607.04-1,975,655.43-787,043.46

Finding the Fourth Proportional to 1,431,607.04, 1,975,655.43 and 787,043.46

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Solution

The fourth proportional to 1,431,607.04, 1,975,655.43 and 787,043.46 is: 1,086,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,607.04 : 1,975,655.43 = 787,043.46 : x
  2. Step 2: Convert to fraction form
    1,431,607.04/1,975,655.43 = 787,043.46/x
  3. Step 3: Cross multiply
    1,431,607.04x = 1,975,655.43 × 787,043.46
  4. Step 4: Simplify right side
    1,431,607.04x = 1,554,926,685,394.99
  5. Step 5: Solve for x
    x = 1,554,926,685,394.99/1,431,607.04
  6. Step 6: Final answer
    x = 1,086,140.71

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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.