Home / 1,212,315.76-1,818,407.71-370,867.51

Finding the Fourth Proportional to 1,212,315.76, 1,818,407.71 and 370,867.51

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Solution

The fourth proportional to 1,212,315.76, 1,818,407.71 and 370,867.51 is: 556,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,315.76 : 1,818,407.71 = 370,867.51 : x
  2. Step 2: Convert to fraction form
    1,212,315.76/1,818,407.71 = 370,867.51/x
  3. Step 3: Cross multiply
    1,212,315.76x = 1,818,407.71 × 370,867.51
  4. Step 4: Simplify right side
    1,212,315.76x = 674,388,339,572.50
  5. Step 5: Solve for x
    x = 674,388,339,572.50/1,212,315.76
  6. Step 6: Final answer
    x = 556,281.10

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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.