Home / 1,307,429.21-1,803,733.49-756,043.03

Finding the Fourth Proportional to 1,307,429.21, 1,803,733.49 and 756,043.03

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Solution

The fourth proportional to 1,307,429.21, 1,803,733.49 and 756,043.03 is: 1,043,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,429.21 : 1,803,733.49 = 756,043.03 : x
  2. Step 2: Convert to fraction form
    1,307,429.21/1,803,733.49 = 756,043.03/x
  3. Step 3: Cross multiply
    1,307,429.21x = 1,803,733.49 × 756,043.03
  4. Step 4: Simplify right side
    1,307,429.21x = 1,363,700,129,311.86
  5. Step 5: Solve for x
    x = 1,363,700,129,311.86/1,307,429.21
  6. Step 6: Final answer
    x = 1,043,039.36

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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.