Home / 1,165,055.13-1,746,998.25-678,894.75

Finding the Fourth Proportional to 1,165,055.13, 1,746,998.25 and 678,894.75

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Solution

The fourth proportional to 1,165,055.13, 1,746,998.25 and 678,894.75 is: 1,018,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,055.13 : 1,746,998.25 = 678,894.75 : x
  2. Step 2: Convert to fraction form
    1,165,055.13/1,746,998.25 = 678,894.75/x
  3. Step 3: Cross multiply
    1,165,055.13x = 1,746,998.25 × 678,894.75
  4. Step 4: Simplify right side
    1,165,055.13x = 1,186,027,937,638.33
  5. Step 5: Solve for x
    x = 1,186,027,937,638.33/1,165,055.13
  6. Step 6: Final answer
    x = 1,018,001.56

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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.