Home / 1,590,820.28-2,386,235.33-392,742.73

Finding the Fourth Proportional to 1,590,820.28, 2,386,235.33 and 392,742.73

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Solution

The fourth proportional to 1,590,820.28, 2,386,235.33 and 392,742.73 is: 589,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,820.28 : 2,386,235.33 = 392,742.73 : x
  2. Step 2: Convert to fraction form
    1,590,820.28/2,386,235.33 = 392,742.73/x
  3. Step 3: Cross multiply
    1,590,820.28x = 2,386,235.33 × 392,742.73
  4. Step 4: Simplify right side
    1,590,820.28x = 937,176,580,418.52
  5. Step 5: Solve for x
    x = 937,176,580,418.52/1,590,820.28
  6. Step 6: Final answer
    x = 589,115.31

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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.