Home / 1,059,150.57-1,587,507.90-489,334.62

Finding the Fourth Proportional to 1,059,150.57, 1,587,507.90 and 489,334.62

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Solution

The fourth proportional to 1,059,150.57, 1,587,507.90 and 489,334.62 is: 733,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,150.57 : 1,587,507.90 = 489,334.62 : x
  2. Step 2: Convert to fraction form
    1,059,150.57/1,587,507.90 = 489,334.62/x
  3. Step 3: Cross multiply
    1,059,150.57x = 1,587,507.90 × 489,334.62
  4. Step 4: Simplify right side
    1,059,150.57x = 776,822,574,993.50
  5. Step 5: Solve for x
    x = 776,822,574,993.50/1,059,150.57
  6. Step 6: Final answer
    x = 733,439.23

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1.5x scale

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.