Home / 1,306,368.40-1,959,559.52-407,734.88

Finding the Fourth Proportional to 1,306,368.40, 1,959,559.52 and 407,734.88

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Solution

The fourth proportional to 1,306,368.40, 1,959,559.52 and 407,734.88 is: 611,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,368.40 : 1,959,559.52 = 407,734.88 : x
  2. Step 2: Convert to fraction form
    1,306,368.40/1,959,559.52 = 407,734.88/x
  3. Step 3: Cross multiply
    1,306,368.40x = 1,959,559.52 × 407,734.88
  4. Step 4: Simplify right side
    1,306,368.40x = 798,980,770,206.32
  5. Step 5: Solve for x
    x = 798,980,770,206.32/1,306,368.40
  6. Step 6: Final answer
    x = 611,604.48

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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.