Home / 1,216,819.08-1,825,089.15-318,347.52

Finding the Fourth Proportional to 1,216,819.08, 1,825,089.15 and 318,347.52

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Solution

The fourth proportional to 1,216,819.08, 1,825,089.15 and 318,347.52 is: 477,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,819.08 : 1,825,089.15 = 318,347.52 : x
  2. Step 2: Convert to fraction form
    1,216,819.08/1,825,089.15 = 318,347.52/x
  3. Step 3: Cross multiply
    1,216,819.08x = 1,825,089.15 × 318,347.52
  4. Step 4: Simplify right side
    1,216,819.08x = 581,012,604,681.41
  5. Step 5: Solve for x
    x = 581,012,604,681.41/1,216,819.08
  6. Step 6: Final answer
    x = 477,484.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.