Home / 670,793.90-1,006,190.85-666,857.30

Finding the Fourth Proportional to 670,793.90, 1,006,190.85 and 666,857.30

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Solution

The fourth proportional to 670,793.90, 1,006,190.85 and 666,857.30 is: 1,000,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,793.90 : 1,006,190.85 = 666,857.30 : x
  2. Step 2: Convert to fraction form
    670,793.90/1,006,190.85 = 666,857.30/x
  3. Step 3: Cross multiply
    670,793.90x = 1,006,190.85 × 666,857.30
  4. Step 4: Simplify right side
    670,793.90x = 670,985,713,515.71
  5. Step 5: Solve for x
    x = 670,985,713,515.71/670,793.90
  6. Step 6: Final answer
    x = 1,000,285.95

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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.