Home / 1,480,828.40-2,221,242.60-415,905.20

Finding the Fourth Proportional to 1,480,828.40, 2,221,242.60 and 415,905.20

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Solution

The fourth proportional to 1,480,828.40, 2,221,242.60 and 415,905.20 is: 623,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,828.40 : 2,221,242.60 = 415,905.20 : x
  2. Step 2: Convert to fraction form
    1,480,828.40/2,221,242.60 = 415,905.20/x
  3. Step 3: Cross multiply
    1,480,828.40x = 2,221,242.60 × 415,905.20
  4. Step 4: Simplify right side
    1,480,828.40x = 923,826,347,801.52
  5. Step 5: Solve for x
    x = 923,826,347,801.52/1,480,828.40
  6. Step 6: Final answer
    x = 623,857.80

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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.