Home / 745,913.40-1,116,245.70-682,927.80

Finding the Fourth Proportional to 745,913.40, 1,116,245.70 and 682,927.80

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Solution

The fourth proportional to 745,913.40, 1,116,245.70 and 682,927.80 is: 1,021,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,913.40 : 1,116,245.70 = 682,927.80 : x
  2. Step 2: Convert to fraction form
    745,913.40/1,116,245.70 = 682,927.80/x
  3. Step 3: Cross multiply
    745,913.40x = 1,116,245.70 × 682,927.80
  4. Step 4: Simplify right side
    745,913.40x = 762,315,220,160.46
  5. Step 5: Solve for x
    x = 762,315,220,160.46/745,913.40
  6. Step 6: Final answer
    x = 1,021,988.91

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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.