Home / 1,008,047.80-1,391,181.42-555,340.60

Finding the Fourth Proportional to 1,008,047.80, 1,391,181.42 and 555,340.60

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Solution

The fourth proportional to 1,008,047.80, 1,391,181.42 and 555,340.60 is: 766,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,047.80 : 1,391,181.42 = 555,340.60 : x
  2. Step 2: Convert to fraction form
    1,008,047.80/1,391,181.42 = 555,340.60/x
  3. Step 3: Cross multiply
    1,008,047.80x = 1,391,181.42 × 555,340.60
  4. Step 4: Simplify right side
    1,008,047.80x = 772,579,524,491.65
  5. Step 5: Solve for x
    x = 772,579,524,491.65/1,008,047.80
  6. Step 6: Final answer
    x = 766,411.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.