Home / 1,077,004.20-1,615,376.70-445,852.20

Finding the Fourth Proportional to 1,077,004.20, 1,615,376.70 and 445,852.20

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Solution

The fourth proportional to 1,077,004.20, 1,615,376.70 and 445,852.20 is: 668,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,004.20 : 1,615,376.70 = 445,852.20 : x
  2. Step 2: Convert to fraction form
    1,077,004.20/1,615,376.70 = 445,852.20/x
  3. Step 3: Cross multiply
    1,077,004.20x = 1,615,376.70 × 445,852.20
  4. Step 4: Simplify right side
    1,077,004.20x = 720,219,255,523.74
  5. Step 5: Solve for x
    x = 720,219,255,523.74/1,077,004.20
  6. Step 6: Final answer
    x = 668,724.65

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1.5x scale

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.