Home / 1,301,415.90-1,952,123.85-854,958.30

Finding the Fourth Proportional to 1,301,415.90, 1,952,123.85 and 854,958.30

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Solution

The fourth proportional to 1,301,415.90, 1,952,123.85 and 854,958.30 is: 1,282,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,415.90 : 1,952,123.85 = 854,958.30 : x
  2. Step 2: Convert to fraction form
    1,301,415.90/1,952,123.85 = 854,958.30/x
  3. Step 3: Cross multiply
    1,301,415.90x = 1,952,123.85 × 854,958.30
  4. Step 4: Simplify right side
    1,301,415.90x = 1,668,984,488,185.46
  5. Step 5: Solve for x
    x = 1,668,984,488,185.46/1,301,415.90
  6. Step 6: Final answer
    x = 1,282,437.45

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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.