Home / 1,590,822.35-2,386,238.42-392,744.79

Finding the Fourth Proportional to 1,590,822.35, 2,386,238.42 and 392,744.79

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Solution

The fourth proportional to 1,590,822.35, 2,386,238.42 and 392,744.79 is: 589,118.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,822.35 : 2,386,238.42 = 392,744.79 : x
  2. Step 2: Convert to fraction form
    1,590,822.35/2,386,238.42 = 392,744.79/x
  3. Step 3: Cross multiply
    1,590,822.35x = 2,386,238.42 × 392,744.79
  4. Step 4: Simplify right side
    1,590,822.35x = 937,182,705,189.11
  5. Step 5: Solve for x
    x = 937,182,705,189.11/1,590,822.35
  6. Step 6: Final answer
    x = 589,118.39

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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.