Home / 1,431,039.12-1,974,955.14-973,169.34

Finding the Fourth Proportional to 1,431,039.12, 1,974,955.14 and 973,169.34

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Solution

The fourth proportional to 1,431,039.12, 1,974,955.14 and 973,169.34 is: 1,343,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,039.12 : 1,974,955.14 = 973,169.34 : x
  2. Step 2: Convert to fraction form
    1,431,039.12/1,974,955.14 = 973,169.34/x
  3. Step 3: Cross multiply
    1,431,039.12x = 1,974,955.14 × 973,169.34
  4. Step 4: Simplify right side
    1,431,039.12x = 1,921,965,790,123.41
  5. Step 5: Solve for x
    x = 1,921,965,790,123.41/1,431,039.12
  6. Step 6: Final answer
    x = 1,343,056.08

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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.