Home / 1,311,559.84-1,967,409.54-413,071.84

Finding the Fourth Proportional to 1,311,559.84, 1,967,409.54 and 413,071.84

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Solution

The fourth proportional to 1,311,559.84, 1,967,409.54 and 413,071.84 is: 619,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,559.84 : 1,967,409.54 = 413,071.84 : x
  2. Step 2: Convert to fraction form
    1,311,559.84/1,967,409.54 = 413,071.84/x
  3. Step 3: Cross multiply
    1,311,559.84x = 1,967,409.54 × 413,071.84
  4. Step 4: Simplify right side
    1,311,559.84x = 812,681,478,721.35
  5. Step 5: Solve for x
    x = 812,681,478,721.35/1,311,559.84
  6. Step 6: Final answer
    x = 619,629.74

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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.