Home / 1,026,421.76-1,416,404.88-567,509.72

Finding the Fourth Proportional to 1,026,421.76, 1,416,404.88 and 567,509.72

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Solution

The fourth proportional to 1,026,421.76, 1,416,404.88 and 567,509.72 is: 783,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,421.76 : 1,416,404.88 = 567,509.72 : x
  2. Step 2: Convert to fraction form
    1,026,421.76/1,416,404.88 = 567,509.72/x
  3. Step 3: Cross multiply
    1,026,421.76x = 1,416,404.88 × 567,509.72
  4. Step 4: Simplify right side
    1,026,421.76x = 803,823,536,855.43
  5. Step 5: Solve for x
    x = 803,823,536,855.43/1,026,421.76
  6. Step 6: Final answer
    x = 783,131.82

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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.