Home / 1,700,939.06-2,551,344.79-421,550.74

Finding the Fourth Proportional to 1,700,939.06, 2,551,344.79 and 421,550.74

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Solution

The fourth proportional to 1,700,939.06, 2,551,344.79 and 421,550.74 is: 632,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,939.06 : 2,551,344.79 = 421,550.74 : x
  2. Step 2: Convert to fraction form
    1,700,939.06/2,551,344.79 = 421,550.74/x
  3. Step 3: Cross multiply
    1,700,939.06x = 2,551,344.79 × 421,550.74
  4. Step 4: Simplify right side
    1,700,939.06x = 1,075,521,284,219.64
  5. Step 5: Solve for x
    x = 1,075,521,284,219.64/1,700,939.06
  6. Step 6: Final answer
    x = 632,310.30

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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.