Home / 1,457,381.36-2,185,907.88-392,501.36

Finding the Fourth Proportional to 1,457,381.36, 2,185,907.88 and 392,501.36

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Solution

The fourth proportional to 1,457,381.36, 2,185,907.88 and 392,501.36 is: 588,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,381.36 : 2,185,907.88 = 392,501.36 : x
  2. Step 2: Convert to fraction form
    1,457,381.36/2,185,907.88 = 392,501.36/x
  3. Step 3: Cross multiply
    1,457,381.36x = 2,185,907.88 × 392,501.36
  4. Step 4: Simplify right side
    1,457,381.36x = 857,971,815,734.72
  5. Step 5: Solve for x
    x = 857,971,815,734.72/1,457,381.36
  6. Step 6: Final answer
    x = 588,707.83

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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.