Home / 1,077,115.80-1,615,668.78-278,329.44

Finding the Fourth Proportional to 1,077,115.80, 1,615,668.78 and 278,329.44

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Solution

The fourth proportional to 1,077,115.80, 1,615,668.78 and 278,329.44 is: 417,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,115.80 : 1,615,668.78 = 278,329.44 : x
  2. Step 2: Convert to fraction form
    1,077,115.80/1,615,668.78 = 278,329.44/x
  3. Step 3: Cross multiply
    1,077,115.80x = 1,615,668.78 × 278,329.44
  4. Step 4: Simplify right side
    1,077,115.80x = 449,688,186,762.88
  5. Step 5: Solve for x
    x = 449,688,186,762.88/1,077,115.80
  6. Step 6: Final answer
    x = 417,492.89

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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.