Home / 1,050,421.52-1,447,559.12-763,487.12

Finding the Fourth Proportional to 1,050,421.52, 1,447,559.12 and 763,487.12

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Solution

The fourth proportional to 1,050,421.52, 1,447,559.12 and 763,487.12 is: 1,052,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,421.52 : 1,447,559.12 = 763,487.12 : x
  2. Step 2: Convert to fraction form
    1,050,421.52/1,447,559.12 = 763,487.12/x
  3. Step 3: Cross multiply
    1,050,421.52x = 1,447,559.12 × 763,487.12
  4. Step 4: Simplify right side
    1,050,421.52x = 1,105,192,743,558.53
  5. Step 5: Solve for x
    x = 1,105,192,743,558.53/1,050,421.52
  6. Step 6: Final answer
    x = 1,052,142.14

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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.