Home / 1,148,585.86-1,585,021.53-639,277.30

Finding the Fourth Proportional to 1,148,585.86, 1,585,021.53 and 639,277.30

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Solution

The fourth proportional to 1,148,585.86, 1,585,021.53 and 639,277.30 is: 882,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,585.86 : 1,585,021.53 = 639,277.30 : x
  2. Step 2: Convert to fraction form
    1,148,585.86/1,585,021.53 = 639,277.30/x
  3. Step 3: Cross multiply
    1,148,585.86x = 1,585,021.53 × 639,277.30
  4. Step 4: Simplify right side
    1,148,585.86x = 1,013,268,284,140.27
  5. Step 5: Solve for x
    x = 1,013,268,284,140.27/1,148,585.86
  6. Step 6: Final answer
    x = 882,187.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.