Home / 745,913.90-1,116,246.45-682,928.30

Finding the Fourth Proportional to 745,913.90, 1,116,246.45 and 682,928.30

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Solution

The fourth proportional to 745,913.90, 1,116,246.45 and 682,928.30 is: 1,021,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,913.90 : 1,116,246.45 = 682,928.30 : x
  2. Step 2: Convert to fraction form
    745,913.90/1,116,246.45 = 682,928.30/x
  3. Step 3: Cross multiply
    745,913.90x = 1,116,246.45 × 682,928.30
  4. Step 4: Simplify right side
    745,913.90x = 762,316,290,479.54
  5. Step 5: Solve for x
    x = 762,316,290,479.54/745,913.90
  6. Step 6: Final answer
    x = 1,021,989.66

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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.