Home / 1,065,609.55-1,590,640.73-931,087.18

Finding the Fourth Proportional to 1,065,609.55, 1,590,640.73 and 931,087.18

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Solution

The fourth proportional to 1,065,609.55, 1,590,640.73 and 931,087.18 is: 1,389,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,609.55 : 1,590,640.73 = 931,087.18 : x
  2. Step 2: Convert to fraction form
    1,065,609.55/1,590,640.73 = 931,087.18/x
  3. Step 3: Cross multiply
    1,065,609.55x = 1,590,640.73 × 931,087.18
  4. Step 4: Simplify right side
    1,065,609.55x = 1,481,025,191,688.84
  5. Step 5: Solve for x
    x = 1,481,025,191,688.84/1,065,609.55
  6. Step 6: Final answer
    x = 1,389,838.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.