Home / 1,225,422.90-1,690,619.73-760,061.52

Finding the Fourth Proportional to 1,225,422.90, 1,690,619.73 and 760,061.52

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Solution

The fourth proportional to 1,225,422.90, 1,690,619.73 and 760,061.52 is: 1,048,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,422.90 : 1,690,619.73 = 760,061.52 : x
  2. Step 2: Convert to fraction form
    1,225,422.90/1,690,619.73 = 760,061.52/x
  3. Step 3: Cross multiply
    1,225,422.90x = 1,690,619.73 × 760,061.52
  4. Step 4: Simplify right side
    1,225,422.90x = 1,284,975,001,725.79
  5. Step 5: Solve for x
    x = 1,284,975,001,725.79/1,225,422.90
  6. Step 6: Final answer
    x = 1,048,597.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.