Home / 1,078,979.50-1,618,547.02-414,131.50

Finding the Fourth Proportional to 1,078,979.50, 1,618,547.02 and 414,131.50

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Solution

The fourth proportional to 1,078,979.50, 1,618,547.02 and 414,131.50 is: 621,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,979.50 : 1,618,547.02 = 414,131.50 : x
  2. Step 2: Convert to fraction form
    1,078,979.50/1,618,547.02 = 414,131.50/x
  3. Step 3: Cross multiply
    1,078,979.50x = 1,618,547.02 × 414,131.50
  4. Step 4: Simplify right side
    1,078,979.50x = 670,291,305,213.13
  5. Step 5: Solve for x
    x = 670,291,305,213.13/1,078,979.50
  6. Step 6: Final answer
    x = 621,227.10

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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.