Home / 1,070,295.21-1,605,287.15-311,933.10

Finding the Fourth Proportional to 1,070,295.21, 1,605,287.15 and 311,933.10

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Solution

The fourth proportional to 1,070,295.21, 1,605,287.15 and 311,933.10 is: 467,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,295.21 : 1,605,287.15 = 311,933.10 : x
  2. Step 2: Convert to fraction form
    1,070,295.21/1,605,287.15 = 311,933.10/x
  3. Step 3: Cross multiply
    1,070,295.21x = 1,605,287.15 × 311,933.10
  4. Step 4: Simplify right side
    1,070,295.21x = 500,742,195,530.00
  5. Step 5: Solve for x
    x = 500,742,195,530.00/1,070,295.21
  6. Step 6: Final answer
    x = 467,854.28

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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.