Home / 837,423.40-1,256,135.10-753,442.60

Finding the Fourth Proportional to 837,423.40, 1,256,135.10 and 753,442.60

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Solution

The fourth proportional to 837,423.40, 1,256,135.10 and 753,442.60 is: 1,130,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,423.40 : 1,256,135.10 = 753,442.60 : x
  2. Step 2: Convert to fraction form
    837,423.40/1,256,135.10 = 753,442.60/x
  3. Step 3: Cross multiply
    837,423.40x = 1,256,135.10 × 753,442.60
  4. Step 4: Simplify right side
    837,423.40x = 946,425,695,695.26
  5. Step 5: Solve for x
    x = 946,425,695,695.26/837,423.40
  6. Step 6: Final answer
    x = 1,130,163.90

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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.