Home / 742,776.55-1,112,347.75-670,890.94

Finding the Fourth Proportional to 742,776.55, 1,112,347.75 and 670,890.94

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Solution

The fourth proportional to 742,776.55, 1,112,347.75 and 670,890.94 is: 1,004,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,776.55 : 1,112,347.75 = 670,890.94 : x
  2. Step 2: Convert to fraction form
    742,776.55/1,112,347.75 = 670,890.94/x
  3. Step 3: Cross multiply
    742,776.55x = 1,112,347.75 × 670,890.94
  4. Step 4: Simplify right side
    742,776.55x = 746,264,027,604.39
  5. Step 5: Solve for x
    x = 746,264,027,604.39/742,776.55
  6. Step 6: Final answer
    x = 1,004,695.19

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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.