Home / 837,312.30-1,255,968.45-830,313.90

Finding the Fourth Proportional to 837,312.30, 1,255,968.45 and 830,313.90

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Solution

The fourth proportional to 837,312.30, 1,255,968.45 and 830,313.90 is: 1,245,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,312.30 : 1,255,968.45 = 830,313.90 : x
  2. Step 2: Convert to fraction form
    837,312.30/1,255,968.45 = 830,313.90/x
  3. Step 3: Cross multiply
    837,312.30x = 1,255,968.45 × 830,313.90
  4. Step 4: Simplify right side
    837,312.30x = 1,042,848,061,996.46
  5. Step 5: Solve for x
    x = 1,042,848,061,996.46/837,312.30
  6. Step 6: Final answer
    x = 1,245,470.85

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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.