Home / 1,348,642.92-1,861,052.58-775,692.66

Finding the Fourth Proportional to 1,348,642.92, 1,861,052.58 and 775,692.66

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Solution

The fourth proportional to 1,348,642.92, 1,861,052.58 and 775,692.66 is: 1,070,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,642.92 : 1,861,052.58 = 775,692.66 : x
  2. Step 2: Convert to fraction form
    1,348,642.92/1,861,052.58 = 775,692.66/x
  3. Step 3: Cross multiply
    1,348,642.92x = 1,861,052.58 × 775,692.66
  4. Step 4: Simplify right side
    1,348,642.92x = 1,443,604,826,180.06
  5. Step 5: Solve for x
    x = 1,443,604,826,180.06/1,348,642.92
  6. Step 6: Final answer
    x = 1,070,412.93

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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.