Home / 1,029,385.98-1,420,609.30-570,491

Finding the Fourth Proportional to 1,029,385.98, 1,420,609.30 and 570,491

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Solution

The fourth proportional to 1,029,385.98, 1,420,609.30 and 570,491 is: 787,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,385.98 : 1,420,609.30 = 570,491 : x
  2. Step 2: Convert to fraction form
    1,029,385.98/1,420,609.30 = 570,491/x
  3. Step 3: Cross multiply
    1,029,385.98x = 1,420,609.30 × 570,491
  4. Step 4: Simplify right side
    1,029,385.98x = 810,444,820,166.30
  5. Step 5: Solve for x
    x = 810,444,820,166.30/1,029,385.98
  6. Step 6: Final answer
    x = 787,308.97

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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.