Home / 1,064,854-1,469,325.12-629,210.72

Finding the Fourth Proportional to 1,064,854, 1,469,325.12 and 629,210.72

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Solution

The fourth proportional to 1,064,854, 1,469,325.12 and 629,210.72 is: 868,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,854 : 1,469,325.12 = 629,210.72 : x
  2. Step 2: Convert to fraction form
    1,064,854/1,469,325.12 = 629,210.72/x
  3. Step 3: Cross multiply
    1,064,854x = 1,469,325.12 × 629,210.72
  4. Step 4: Simplify right side
    1,064,854x = 924,515,116,669.29
  5. Step 5: Solve for x
    x = 924,515,116,669.29/1,064,854
  6. Step 6: Final answer
    x = 868,208.33

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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.