Home / 1,639,307.30-2,262,246.40-904,245.18

Finding the Fourth Proportional to 1,639,307.30, 2,262,246.40 and 904,245.18

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Solution

The fourth proportional to 1,639,307.30, 2,262,246.40 and 904,245.18 is: 1,247,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,307.30 : 2,262,246.40 = 904,245.18 : x
  2. Step 2: Convert to fraction form
    1,639,307.30/2,262,246.40 = 904,245.18/x
  3. Step 3: Cross multiply
    1,639,307.30x = 2,262,246.40 × 904,245.18
  4. Step 4: Simplify right side
    1,639,307.30x = 2,045,625,403,172.35
  5. Step 5: Solve for x
    x = 2,045,625,403,172.35/1,639,307.30
  6. Step 6: Final answer
    x = 1,247,859.63

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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.