Home / 1,458,478.84-2,187,718.25-393,520.89

Finding the Fourth Proportional to 1,458,478.84, 2,187,718.25 and 393,520.89

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Solution

The fourth proportional to 1,458,478.84, 2,187,718.25 and 393,520.89 is: 590,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,478.84 : 2,187,718.25 = 393,520.89 : x
  2. Step 2: Convert to fraction form
    1,458,478.84/2,187,718.25 = 393,520.89/x
  3. Step 3: Cross multiply
    1,458,478.84x = 2,187,718.25 × 393,520.89
  4. Step 4: Simplify right side
    1,458,478.84x = 860,912,839,262.34
  5. Step 5: Solve for x
    x = 860,912,839,262.34/1,458,478.84
  6. Step 6: Final answer
    x = 590,281.34

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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.