Home / 1,069,204.43-1,604,101.89-429,703.76

Finding the Fourth Proportional to 1,069,204.43, 1,604,101.89 and 429,703.76

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Solution

The fourth proportional to 1,069,204.43, 1,604,101.89 and 429,703.76 is: 644,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,204.43 : 1,604,101.89 = 429,703.76 : x
  2. Step 2: Convert to fraction form
    1,069,204.43/1,604,101.89 = 429,703.76/x
  3. Step 3: Cross multiply
    1,069,204.43x = 1,604,101.89 × 429,703.76
  4. Step 4: Simplify right side
    1,069,204.43x = 689,288,613,556.11
  5. Step 5: Solve for x
    x = 689,288,613,556.11/1,069,204.43
  6. Step 6: Final answer
    x = 644,674.30

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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.