Home / 1,287,107.24-1,930,774.34-477,501.04

Finding the Fourth Proportional to 1,287,107.24, 1,930,774.34 and 477,501.04

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Solution

The fourth proportional to 1,287,107.24, 1,930,774.34 and 477,501.04 is: 716,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,107.24 : 1,930,774.34 = 477,501.04 : x
  2. Step 2: Convert to fraction form
    1,287,107.24/1,930,774.34 = 477,501.04/x
  3. Step 3: Cross multiply
    1,287,107.24x = 1,930,774.34 × 477,501.04
  4. Step 4: Simplify right side
    1,287,107.24x = 921,946,743,313.94
  5. Step 5: Solve for x
    x = 921,946,743,313.94/1,287,107.24
  6. Step 6: Final answer
    x = 716,293.65

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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.