Home / 1,376,843.48-1,900,030.20-756,658.88

Finding the Fourth Proportional to 1,376,843.48, 1,900,030.20 and 756,658.88

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Solution

The fourth proportional to 1,376,843.48, 1,900,030.20 and 756,658.88 is: 1,044,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,843.48 : 1,900,030.20 = 756,658.88 : x
  2. Step 2: Convert to fraction form
    1,376,843.48/1,900,030.20 = 756,658.88/x
  3. Step 3: Cross multiply
    1,376,843.48x = 1,900,030.20 × 756,658.88
  4. Step 4: Simplify right side
    1,376,843.48x = 1,437,674,723,098.18
  5. Step 5: Solve for x
    x = 1,437,674,723,098.18/1,376,843.48
  6. Step 6: Final answer
    x = 1,044,181.67

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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.