Home / 1,029,819.03-1,421,234.45-571,077.49

Finding the Fourth Proportional to 1,029,819.03, 1,421,234.45 and 571,077.49

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Solution

The fourth proportional to 1,029,819.03, 1,421,234.45 and 571,077.49 is: 788,133.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,819.03 : 1,421,234.45 = 571,077.49 : x
  2. Step 2: Convert to fraction form
    1,029,819.03/1,421,234.45 = 571,077.49/x
  3. Step 3: Cross multiply
    1,029,819.03x = 1,421,234.45 × 571,077.49
  4. Step 4: Simplify right side
    1,029,819.03x = 811,635,004,017.72
  5. Step 5: Solve for x
    x = 811,635,004,017.72/1,029,819.03
  6. Step 6: Final answer
    x = 788,133.62

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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.