Home / 1,189,258.25-1,783,871.88-290,707.89

Finding the Fourth Proportional to 1,189,258.25, 1,783,871.88 and 290,707.89

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Solution

The fourth proportional to 1,189,258.25, 1,783,871.88 and 290,707.89 is: 436,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,258.25 : 1,783,871.88 = 290,707.89 : x
  2. Step 2: Convert to fraction form
    1,189,258.25/1,783,871.88 = 290,707.89/x
  3. Step 3: Cross multiply
    1,189,258.25x = 1,783,871.88 × 290,707.89
  4. Step 4: Simplify right side
    1,189,258.25x = 518,585,624,938.31
  5. Step 5: Solve for x
    x = 518,585,624,938.31/1,189,258.25
  6. Step 6: Final answer
    x = 436,058.04

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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.