Home / 679,160.09-1,018,736.39-173,720.30

Finding the Fourth Proportional to 679,160.09, 1,018,736.39 and 173,720.30

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Solution

The fourth proportional to 679,160.09, 1,018,736.39 and 173,720.30 is: 260,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,160.09 : 1,018,736.39 = 173,720.30 : x
  2. Step 2: Convert to fraction form
    679,160.09/1,018,736.39 = 173,720.30/x
  3. Step 3: Cross multiply
    679,160.09x = 1,018,736.39 × 173,720.30
  4. Step 4: Simplify right side
    679,160.09x = 176,975,186,632.34
  5. Step 5: Solve for x
    x = 176,975,186,632.34/679,160.09
  6. Step 6: Final answer
    x = 260,579.48

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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.