Home / 1,070,192.33-1,605,317.72-312,015.47

Finding the Fourth Proportional to 1,070,192.33, 1,605,317.72 and 312,015.47

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Solution

The fourth proportional to 1,070,192.33, 1,605,317.72 and 312,015.47 is: 468,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,192.33 : 1,605,317.72 = 312,015.47 : x
  2. Step 2: Convert to fraction form
    1,070,192.33/1,605,317.72 = 312,015.47/x
  3. Step 3: Cross multiply
    1,070,192.33x = 1,605,317.72 × 312,015.47
  4. Step 4: Simplify right side
    1,070,192.33x = 500,883,965,358.35
  5. Step 5: Solve for x
    x = 500,883,965,358.35/1,070,192.33
  6. Step 6: Final answer
    x = 468,031.73

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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.