Home / 1,157,072.80-1,735,609.20-315,623.20

Finding the Fourth Proportional to 1,157,072.80, 1,735,609.20 and 315,623.20

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Solution

The fourth proportional to 1,157,072.80, 1,735,609.20 and 315,623.20 is: 473,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,072.80 : 1,735,609.20 = 315,623.20 : x
  2. Step 2: Convert to fraction form
    1,157,072.80/1,735,609.20 = 315,623.20/x
  3. Step 3: Cross multiply
    1,157,072.80x = 1,735,609.20 × 315,623.20
  4. Step 4: Simplify right side
    1,157,072.80x = 547,798,529,653.44
  5. Step 5: Solve for x
    x = 547,798,529,653.44/1,157,072.80
  6. Step 6: Final answer
    x = 473,434.80

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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.