Home / 1,243,625.40-1,865,438.10-973,020.60

Finding the Fourth Proportional to 1,243,625.40, 1,865,438.10 and 973,020.60

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Solution

The fourth proportional to 1,243,625.40, 1,865,438.10 and 973,020.60 is: 1,459,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,625.40 : 1,865,438.10 = 973,020.60 : x
  2. Step 2: Convert to fraction form
    1,243,625.40/1,865,438.10 = 973,020.60/x
  3. Step 3: Cross multiply
    1,243,625.40x = 1,865,438.10 × 973,020.60
  4. Step 4: Simplify right side
    1,243,625.40x = 1,815,109,699,324.86
  5. Step 5: Solve for x
    x = 1,815,109,699,324.86/1,243,625.40
  6. Step 6: Final answer
    x = 1,459,530.90

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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.