Home / 1,627,958.40-2,440,209.60-785,961.60

Finding the Fourth Proportional to 1,627,958.40, 2,440,209.60 and 785,961.60

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Solution

The fourth proportional to 1,627,958.40, 2,440,209.60 and 785,961.60 is: 1,178,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,958.40 : 2,440,209.60 = 785,961.60 : x
  2. Step 2: Convert to fraction form
    1,627,958.40/2,440,209.60 = 785,961.60/x
  3. Step 3: Cross multiply
    1,627,958.40x = 2,440,209.60 × 785,961.60
  4. Step 4: Simplify right side
    1,627,958.40x = 1,917,911,041,551.36
  5. Step 5: Solve for x
    x = 1,917,911,041,551.36/1,627,958.40
  6. Step 6: Final answer
    x = 1,178,108.14

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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.