Home / 679,019.45-1,018,525.19-173,579.72

Finding the Fourth Proportional to 679,019.45, 1,018,525.19 and 173,579.72

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Solution

The fourth proportional to 679,019.45, 1,018,525.19 and 173,579.72 is: 260,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,019.45 : 1,018,525.19 = 173,579.72 : x
  2. Step 2: Convert to fraction form
    679,019.45/1,018,525.19 = 173,579.72/x
  3. Step 3: Cross multiply
    679,019.45x = 1,018,525.19 × 173,579.72
  4. Step 4: Simplify right side
    679,019.45x = 176,795,311,332.62
  5. Step 5: Solve for x
    x = 176,795,311,332.62/679,019.45
  6. Step 6: Final answer
    x = 260,368.55

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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.