Home / 1,069,534.20-1,604,503.61-429,887.73

Finding the Fourth Proportional to 1,069,534.20, 1,604,503.61 and 429,887.73

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Solution

The fourth proportional to 1,069,534.20, 1,604,503.61 and 429,887.73 is: 644,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,534.20 : 1,604,503.61 = 429,887.73 : x
  2. Step 2: Convert to fraction form
    1,069,534.20/1,604,503.61 = 429,887.73/x
  3. Step 3: Cross multiply
    1,069,534.20x = 1,604,503.61 × 429,887.73
  4. Step 4: Simplify right side
    1,069,534.20x = 689,756,412,530.27
  5. Step 5: Solve for x
    x = 689,756,412,530.27/1,069,534.20
  6. Step 6: Final answer
    x = 644,912.91

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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.