Home / 1,077,037.05-1,615,550.57-318,883.13

Finding the Fourth Proportional to 1,077,037.05, 1,615,550.57 and 318,883.13

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Solution

The fourth proportional to 1,077,037.05, 1,615,550.57 and 318,883.13 is: 478,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,037.05 : 1,615,550.57 = 318,883.13 : x
  2. Step 2: Convert to fraction form
    1,077,037.05/1,615,550.57 = 318,883.13/x
  3. Step 3: Cross multiply
    1,077,037.05x = 1,615,550.57 × 318,883.13
  4. Step 4: Simplify right side
    1,077,037.05x = 515,171,820,016.84
  5. Step 5: Solve for x
    x = 515,171,820,016.84/1,077,037.05
  6. Step 6: Final answer
    x = 478,323.21

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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.