Home / 1,145,531.34-1,579,776.87-778,558.14

Finding the Fourth Proportional to 1,145,531.34, 1,579,776.87 and 778,558.14

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Solution

The fourth proportional to 1,145,531.34, 1,579,776.87 and 778,558.14 is: 1,073,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,531.34 : 1,579,776.87 = 778,558.14 : x
  2. Step 2: Convert to fraction form
    1,145,531.34/1,579,776.87 = 778,558.14/x
  3. Step 3: Cross multiply
    1,145,531.34x = 1,579,776.87 × 778,558.14
  4. Step 4: Simplify right side
    1,145,531.34x = 1,229,948,141,522.22
  5. Step 5: Solve for x
    x = 1,229,948,141,522.22/1,145,531.34
  6. Step 6: Final answer
    x = 1,073,692.27

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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.