Home / 1,519,710.90-2,279,569.18-621,151.98

Finding the Fourth Proportional to 1,519,710.90, 2,279,569.18 and 621,151.98

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Solution

The fourth proportional to 1,519,710.90, 2,279,569.18 and 621,151.98 is: 931,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,710.90 : 2,279,569.18 = 621,151.98 : x
  2. Step 2: Convert to fraction form
    1,519,710.90/2,279,569.18 = 621,151.98/x
  3. Step 3: Cross multiply
    1,519,710.90x = 2,279,569.18 × 621,151.98
  4. Step 4: Simplify right side
    1,519,710.90x = 1,415,958,909,703.98
  5. Step 5: Solve for x
    x = 1,415,958,909,703.98/1,519,710.90
  6. Step 6: Final answer
    x = 931,729.13

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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.