Home / 1,145,007.90-1,717,511.85-740,850.30

Finding the Fourth Proportional to 1,145,007.90, 1,717,511.85 and 740,850.30

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Solution

The fourth proportional to 1,145,007.90, 1,717,511.85 and 740,850.30 is: 1,111,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,007.90 : 1,717,511.85 = 740,850.30 : x
  2. Step 2: Convert to fraction form
    1,145,007.90/1,717,511.85 = 740,850.30/x
  3. Step 3: Cross multiply
    1,145,007.90x = 1,717,511.85 × 740,850.30
  4. Step 4: Simplify right side
    1,145,007.90x = 1,272,419,169,326.06
  5. Step 5: Solve for x
    x = 1,272,419,169,326.06/1,145,007.90
  6. Step 6: Final answer
    x = 1,111,275.45

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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.