Home / 1,945,421.28-2,918,021.76-525,370.32

Finding the Fourth Proportional to 1,945,421.28, 2,918,021.76 and 525,370.32

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Solution

The fourth proportional to 1,945,421.28, 2,918,021.76 and 525,370.32 is: 788,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,421.28 : 2,918,021.76 = 525,370.32 : x
  2. Step 2: Convert to fraction form
    1,945,421.28/2,918,021.76 = 525,370.32/x
  3. Step 3: Cross multiply
    1,945,421.28x = 2,918,021.76 × 525,370.32
  4. Step 4: Simplify right side
    1,945,421.28x = 1,533,042,025,818.16
  5. Step 5: Solve for x
    x = 1,533,042,025,818.16/1,945,421.28
  6. Step 6: Final answer
    x = 788,025.73

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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.