Home / 1,361,527.12-2,042,289.72-612,698.32

Finding the Fourth Proportional to 1,361,527.12, 2,042,289.72 and 612,698.32

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Solution

The fourth proportional to 1,361,527.12, 2,042,289.72 and 612,698.32 is: 919,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,527.12 : 2,042,289.72 = 612,698.32 : x
  2. Step 2: Convert to fraction form
    1,361,527.12/2,042,289.72 = 612,698.32/x
  3. Step 3: Cross multiply
    1,361,527.12x = 2,042,289.72 × 612,698.32
  4. Step 4: Simplify right side
    1,361,527.12x = 1,251,307,480,397.27
  5. Step 5: Solve for x
    x = 1,251,307,480,397.27/1,361,527.12
  6. Step 6: Final answer
    x = 919,047.05

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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.