Home / 1,429,692.70-1,972,975.88-785,123.66

Finding the Fourth Proportional to 1,429,692.70, 1,972,975.88 and 785,123.66

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Solution

The fourth proportional to 1,429,692.70, 1,972,975.88 and 785,123.66 is: 1,083,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,692.70 : 1,972,975.88 = 785,123.66 : x
  2. Step 2: Convert to fraction form
    1,429,692.70/1,972,975.88 = 785,123.66/x
  3. Step 3: Cross multiply
    1,429,692.70x = 1,972,975.88 × 785,123.66
  4. Step 4: Simplify right side
    1,429,692.70x = 1,549,030,043,997.32
  5. Step 5: Solve for x
    x = 1,549,030,043,997.32/1,429,692.70
  6. Step 6: Final answer
    x = 1,083,470.63

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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.