Home / 1,110,924.10-1,666,386.15-685,771.30

Finding the Fourth Proportional to 1,110,924.10, 1,666,386.15 and 685,771.30

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Solution

The fourth proportional to 1,110,924.10, 1,666,386.15 and 685,771.30 is: 1,028,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,924.10 : 1,666,386.15 = 685,771.30 : x
  2. Step 2: Convert to fraction form
    1,110,924.10/1,666,386.15 = 685,771.30/x
  3. Step 3: Cross multiply
    1,110,924.10x = 1,666,386.15 × 685,771.30
  4. Step 4: Simplify right side
    1,110,924.10x = 1,142,759,796,387.50
  5. Step 5: Solve for x
    x = 1,142,759,796,387.50/1,110,924.10
  6. Step 6: Final answer
    x = 1,028,656.95

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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.