Home / 1,297,461.27-1,790,489.43-716,724.35

Finding the Fourth Proportional to 1,297,461.27, 1,790,489.43 and 716,724.35

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Solution

The fourth proportional to 1,297,461.27, 1,790,489.43 and 716,724.35 is: 989,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,461.27 : 1,790,489.43 = 716,724.35 : x
  2. Step 2: Convert to fraction form
    1,297,461.27/1,790,489.43 = 716,724.35/x
  3. Step 3: Cross multiply
    1,297,461.27x = 1,790,489.43 × 716,724.35
  4. Step 4: Simplify right side
    1,297,461.27x = 1,283,287,369,315.00
  5. Step 5: Solve for x
    x = 1,283,287,369,315.00/1,297,461.27
  6. Step 6: Final answer
    x = 989,075.67

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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.