Home / 1,585,788.04-2,378,660.72-387,720.64

Finding the Fourth Proportional to 1,585,788.04, 2,378,660.72 and 387,720.64

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Solution

The fourth proportional to 1,585,788.04, 2,378,660.72 and 387,720.64 is: 581,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,788.04 : 2,378,660.72 = 387,720.64 : x
  2. Step 2: Convert to fraction form
    1,585,788.04/2,378,660.72 = 387,720.64/x
  3. Step 3: Cross multiply
    1,585,788.04x = 2,378,660.72 × 387,720.64
  4. Step 4: Simplify right side
    1,585,788.04x = 922,255,856,701.26
  5. Step 5: Solve for x
    x = 922,255,856,701.26/1,585,788.04
  6. Step 6: Final answer
    x = 581,575.74

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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.