Home / 670,673.80-1,006,010.70-172,037.80

Finding the Fourth Proportional to 670,673.80, 1,006,010.70 and 172,037.80

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Solution

The fourth proportional to 670,673.80, 1,006,010.70 and 172,037.80 is: 258,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,673.80 : 1,006,010.70 = 172,037.80 : x
  2. Step 2: Convert to fraction form
    670,673.80/1,006,010.70 = 172,037.80/x
  3. Step 3: Cross multiply
    670,673.80x = 1,006,010.70 × 172,037.80
  4. Step 4: Simplify right side
    670,673.80x = 173,071,867,604.46
  5. Step 5: Solve for x
    x = 173,071,867,604.46/670,673.80
  6. Step 6: Final answer
    x = 258,056.70

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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.