Home / 1,461,209.70-2,188,862.10-829,385.40

Finding the Fourth Proportional to 1,461,209.70, 2,188,862.10 and 829,385.40

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Solution

The fourth proportional to 1,461,209.70, 2,188,862.10 and 829,385.40 is: 1,242,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,209.70 : 2,188,862.10 = 829,385.40 : x
  2. Step 2: Convert to fraction form
    1,461,209.70/2,188,862.10 = 829,385.40/x
  3. Step 3: Cross multiply
    1,461,209.70x = 2,188,862.10 × 829,385.40
  4. Step 4: Simplify right side
    1,461,209.70x = 1,815,410,268,353.34
  5. Step 5: Solve for x
    x = 1,815,410,268,353.34/1,461,209.70
  6. Step 6: Final answer
    x = 1,242,402.28

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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.