Home / 1,284,271.87-1,773,486.53-961,421.46

Finding the Fourth Proportional to 1,284,271.87, 1,773,486.53 and 961,421.46

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Solution

The fourth proportional to 1,284,271.87, 1,773,486.53 and 961,421.46 is: 1,327,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,271.87 : 1,773,486.53 = 961,421.46 : x
  2. Step 2: Convert to fraction form
    1,284,271.87/1,773,486.53 = 961,421.46/x
  3. Step 3: Cross multiply
    1,284,271.87x = 1,773,486.53 × 961,421.46
  4. Step 4: Simplify right side
    1,284,271.87x = 1,705,068,008,962.93
  5. Step 5: Solve for x
    x = 1,705,068,008,962.93/1,284,271.87
  6. Step 6: Final answer
    x = 1,327,653.47

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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.