Home / 1,479,300-2,218,578.80-414,066.08

Finding the Fourth Proportional to 1,479,300, 2,218,578.80 and 414,066.08

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Solution

The fourth proportional to 1,479,300, 2,218,578.80 and 414,066.08 is: 620,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,300 : 2,218,578.80 = 414,066.08 : x
  2. Step 2: Convert to fraction form
    1,479,300/2,218,578.80 = 414,066.08/x
  3. Step 3: Cross multiply
    1,479,300x = 2,218,578.80 × 414,066.08
  4. Step 4: Simplify right side
    1,479,300x = 918,638,226,887.10
  5. Step 5: Solve for x
    x = 918,638,226,887.10/1,479,300
  6. Step 6: Final answer
    x = 620,995.22

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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.