Home / 1,585,775.75-2,378,642.36-387,708.39

Finding the Fourth Proportional to 1,585,775.75, 2,378,642.36 and 387,708.39

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Solution

The fourth proportional to 1,585,775.75, 2,378,642.36 and 387,708.39 is: 581,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,775.75 : 2,378,642.36 = 387,708.39 : x
  2. Step 2: Convert to fraction form
    1,585,775.75/2,378,642.36 = 387,708.39/x
  3. Step 3: Cross multiply
    1,585,775.75x = 2,378,642.36 × 387,708.39
  4. Step 4: Simplify right side
    1,585,775.75x = 922,219,597,842.86
  5. Step 5: Solve for x
    x = 922,219,597,842.86/1,585,775.75
  6. Step 6: Final answer
    x = 581,557.39

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1.5x scale

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.