Home / 1,340,698.72-1,850,156.48-760,031.42

Finding the Fourth Proportional to 1,340,698.72, 1,850,156.48 and 760,031.42

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Solution

The fourth proportional to 1,340,698.72, 1,850,156.48 and 760,031.42 is: 1,048,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,698.72 : 1,850,156.48 = 760,031.42 : x
  2. Step 2: Convert to fraction form
    1,340,698.72/1,850,156.48 = 760,031.42/x
  3. Step 3: Cross multiply
    1,340,698.72x = 1,850,156.48 × 760,031.42
  4. Step 4: Simplify right side
    1,340,698.72x = 1,406,177,056,716.60
  5. Step 5: Solve for x
    x = 1,406,177,056,716.60/1,340,698.72
  6. Step 6: Final answer
    x = 1,048,838.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.