Home / 1,278,429.26-1,918,499.98-530,475.98

Finding the Fourth Proportional to 1,278,429.26, 1,918,499.98 and 530,475.98

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Solution

The fourth proportional to 1,278,429.26, 1,918,499.98 and 530,475.98 is: 796,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,429.26 : 1,918,499.98 = 530,475.98 : x
  2. Step 2: Convert to fraction form
    1,278,429.26/1,918,499.98 = 530,475.98/x
  3. Step 3: Cross multiply
    1,278,429.26x = 1,918,499.98 × 530,475.98
  4. Step 4: Simplify right side
    1,278,429.26x = 1,017,718,157,020.48
  5. Step 5: Solve for x
    x = 1,017,718,157,020.48/1,278,429.26
  6. Step 6: Final answer
    x = 796,069.20

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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.