Home / 1,022,538.12-1,533,811.14-312,563.40

Finding the Fourth Proportional to 1,022,538.12, 1,533,811.14 and 312,563.40

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Solution

The fourth proportional to 1,022,538.12, 1,533,811.14 and 312,563.40 is: 468,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,538.12 : 1,533,811.14 = 312,563.40 : x
  2. Step 2: Convert to fraction form
    1,022,538.12/1,533,811.14 = 312,563.40/x
  3. Step 3: Cross multiply
    1,022,538.12x = 1,533,811.14 × 312,563.40
  4. Step 4: Simplify right side
    1,022,538.12x = 479,413,224,876.28
  5. Step 5: Solve for x
    x = 479,413,224,876.28/1,022,538.12
  6. Step 6: Final answer
    x = 468,846.31

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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.