Home / 1,354,065.84-2,030,689.84-407,185.20

Finding the Fourth Proportional to 1,354,065.84, 2,030,689.84 and 407,185.20

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Solution

The fourth proportional to 1,354,065.84, 2,030,689.84 and 407,185.20 is: 610,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,065.84 : 2,030,689.84 = 407,185.20 : x
  2. Step 2: Convert to fraction form
    1,354,065.84/2,030,689.84 = 407,185.20/x
  3. Step 3: Cross multiply
    1,354,065.84x = 2,030,689.84 × 407,185.20
  4. Step 4: Simplify right side
    1,354,065.84x = 826,866,848,638.37
  5. Step 5: Solve for x
    x = 826,866,848,638.37/1,354,065.84
  6. Step 6: Final answer
    x = 610,654.83

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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.