Home / 1,069,381.11-1,604,273.97-429,734.64

Finding the Fourth Proportional to 1,069,381.11, 1,604,273.97 and 429,734.64

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Solution

The fourth proportional to 1,069,381.11, 1,604,273.97 and 429,734.64 is: 644,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,381.11 : 1,604,273.97 = 429,734.64 : x
  2. Step 2: Convert to fraction form
    1,069,381.11/1,604,273.97 = 429,734.64/x
  3. Step 3: Cross multiply
    1,069,381.11x = 1,604,273.97 × 429,734.64
  4. Step 4: Simplify right side
    1,069,381.11x = 689,412,096,959.32
  5. Step 5: Solve for x
    x = 689,412,096,959.32/1,069,381.11
  6. Step 6: Final answer
    x = 644,683.26

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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.