Home / 1,585,802.76-2,378,682.84-387,735.39

Finding the Fourth Proportional to 1,585,802.76, 2,378,682.84 and 387,735.39

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Solution

The fourth proportional to 1,585,802.76, 2,378,682.84 and 387,735.39 is: 581,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,802.76 : 2,378,682.84 = 387,735.39 : x
  2. Step 2: Convert to fraction form
    1,585,802.76/2,378,682.84 = 387,735.39/x
  3. Step 3: Cross multiply
    1,585,802.76x = 2,378,682.84 × 387,735.39
  4. Step 4: Simplify right side
    1,585,802.76x = 922,299,518,653.71
  5. Step 5: Solve for x
    x = 922,299,518,653.71/1,585,802.76
  6. Step 6: Final answer
    x = 581,597.88

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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.