Home / 1,215,562.20-1,824,984.90-710,640.60

Finding the Fourth Proportional to 1,215,562.20, 1,824,984.90 and 710,640.60

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Solution

The fourth proportional to 1,215,562.20, 1,824,984.90 and 710,640.60 is: 1,066,920.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,562.20 : 1,824,984.90 = 710,640.60 : x
  2. Step 2: Convert to fraction form
    1,215,562.20/1,824,984.90 = 710,640.60/x
  3. Step 3: Cross multiply
    1,215,562.20x = 1,824,984.90 × 710,640.60
  4. Step 4: Simplify right side
    1,215,562.20x = 1,296,908,364,326.94
  5. Step 5: Solve for x
    x = 1,296,908,364,326.94/1,215,562.20
  6. Step 6: Final answer
    x = 1,066,920.61

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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.