Home / 1,167,146.12-1,751,505.98-408,994.40

Finding the Fourth Proportional to 1,167,146.12, 1,751,505.98 and 408,994.40

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Solution

The fourth proportional to 1,167,146.12, 1,751,505.98 and 408,994.40 is: 613,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,146.12 : 1,751,505.98 = 408,994.40 : x
  2. Step 2: Convert to fraction form
    1,167,146.12/1,751,505.98 = 408,994.40/x
  3. Step 3: Cross multiply
    1,167,146.12x = 1,751,505.98 × 408,994.40
  4. Step 4: Simplify right side
    1,167,146.12x = 716,356,137,386.51
  5. Step 5: Solve for x
    x = 716,356,137,386.51/1,167,146.12
  6. Step 6: Final answer
    x = 613,767.31

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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.