Home / 1,585,558.40-2,378,328.72-387,487.04

Finding the Fourth Proportional to 1,585,558.40, 2,378,328.72 and 387,487.04

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Solution

The fourth proportional to 1,585,558.40, 2,378,328.72 and 387,487.04 is: 581,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,558.40 : 2,378,328.72 = 387,487.04 : x
  2. Step 2: Convert to fraction form
    1,585,558.40/2,378,328.72 = 387,487.04/x
  3. Step 3: Cross multiply
    1,585,558.40x = 2,378,328.72 × 387,487.04
  4. Step 4: Simplify right side
    1,585,558.40x = 921,571,555,859.79
  5. Step 5: Solve for x
    x = 921,571,555,859.79/1,585,558.40
  6. Step 6: Final answer
    x = 581,228.39

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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.