Home / 1,314,065.45-1,970,250.72-515,427.73

Finding the Fourth Proportional to 1,314,065.45, 1,970,250.72 and 515,427.73

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Solution

The fourth proportional to 1,314,065.45, 1,970,250.72 and 515,427.73 is: 772,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,065.45 : 1,970,250.72 = 515,427.73 : x
  2. Step 2: Convert to fraction form
    1,314,065.45/1,970,250.72 = 515,427.73/x
  3. Step 3: Cross multiply
    1,314,065.45x = 1,970,250.72 × 515,427.73
  4. Step 4: Simplify right side
    1,314,065.45x = 1,015,521,849,281.98
  5. Step 5: Solve for x
    x = 1,015,521,849,281.98/1,314,065.45
  6. Step 6: Final answer
    x = 772,809.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.