Home / 1,411,699.30-1,948,143.54-767,117.95

Finding the Fourth Proportional to 1,411,699.30, 1,948,143.54 and 767,117.95

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Solution

The fourth proportional to 1,411,699.30, 1,948,143.54 and 767,117.95 is: 1,058,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,699.30 : 1,948,143.54 = 767,117.95 : x
  2. Step 2: Convert to fraction form
    1,411,699.30/1,948,143.54 = 767,117.95/x
  3. Step 3: Cross multiply
    1,411,699.30x = 1,948,143.54 × 767,117.95
  4. Step 4: Simplify right side
    1,411,699.30x = 1,494,455,876,716.88
  5. Step 5: Solve for x
    x = 1,494,455,876,716.88/1,411,699.30
  6. Step 6: Final answer
    x = 1,058,621.96

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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.