Home / 837,491.40-1,256,237.10-648,534.60

Finding the Fourth Proportional to 837,491.40, 1,256,237.10 and 648,534.60

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Solution

The fourth proportional to 837,491.40, 1,256,237.10 and 648,534.60 is: 972,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,491.40 : 1,256,237.10 = 648,534.60 : x
  2. Step 2: Convert to fraction form
    837,491.40/1,256,237.10 = 648,534.60/x
  3. Step 3: Cross multiply
    837,491.40x = 1,256,237.10 × 648,534.60
  4. Step 4: Simplify right side
    837,491.40x = 814,713,225,153.66
  5. Step 5: Solve for x
    x = 814,713,225,153.66/837,491.40
  6. Step 6: Final answer
    x = 972,801.90

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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.