Home / 1,450,178.60-2,174,403.90-889,615.40

Finding the Fourth Proportional to 1,450,178.60, 2,174,403.90 and 889,615.40

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Solution

The fourth proportional to 1,450,178.60, 2,174,403.90 and 889,615.40 is: 1,333,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,178.60 : 2,174,403.90 = 889,615.40 : x
  2. Step 2: Convert to fraction form
    1,450,178.60/2,174,403.90 = 889,615.40/x
  3. Step 3: Cross multiply
    1,450,178.60x = 2,174,403.90 × 889,615.40
  4. Step 4: Simplify right side
    1,450,178.60x = 1,934,383,195,260.06
  5. Step 5: Solve for x
    x = 1,934,383,195,260.06/1,450,178.60
  6. Step 6: Final answer
    x = 1,333,893.08

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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.