Home / 1,005,361.45-1,509,116.43-406,713.94

Finding the Fourth Proportional to 1,005,361.45, 1,509,116.43 and 406,713.94

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Solution

The fourth proportional to 1,005,361.45, 1,509,116.43 and 406,713.94 is: 610,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,361.45 : 1,509,116.43 = 406,713.94 : x
  2. Step 2: Convert to fraction form
    1,005,361.45/1,509,116.43 = 406,713.94/x
  3. Step 3: Cross multiply
    1,005,361.45x = 1,509,116.43 × 406,713.94
  4. Step 4: Simplify right side
    1,005,361.45x = 613,778,689,164.03
  5. Step 5: Solve for x
    x = 613,778,689,164.03/1,005,361.45
  6. Step 6: Final answer
    x = 610,505.49

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Double scale
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1.5x scale

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.