Home / 1,120,686.30-1,681,029.45-446,871.60

Finding the Fourth Proportional to 1,120,686.30, 1,681,029.45 and 446,871.60

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Solution

The fourth proportional to 1,120,686.30, 1,681,029.45 and 446,871.60 is: 670,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,686.30 : 1,681,029.45 = 446,871.60 : x
  2. Step 2: Convert to fraction form
    1,120,686.30/1,681,029.45 = 446,871.60/x
  3. Step 3: Cross multiply
    1,120,686.30x = 1,681,029.45 × 446,871.60
  4. Step 4: Simplify right side
    1,120,686.30x = 751,204,319,968.62
  5. Step 5: Solve for x
    x = 751,204,319,968.62/1,120,686.30
  6. Step 6: Final answer
    x = 670,307.40

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Double scale
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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.