Home / 1,294,641.51-1,786,702.56-750,772.57

Finding the Fourth Proportional to 1,294,641.51, 1,786,702.56 and 750,772.57

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Solution

The fourth proportional to 1,294,641.51, 1,786,702.56 and 750,772.57 is: 1,036,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,641.51 : 1,786,702.56 = 750,772.57 : x
  2. Step 2: Convert to fraction form
    1,294,641.51/1,786,702.56 = 750,772.57/x
  3. Step 3: Cross multiply
    1,294,641.51x = 1,786,702.56 × 750,772.57
  4. Step 4: Simplify right side
    1,294,641.51x = 1,341,407,272,796.78
  5. Step 5: Solve for x
    x = 1,341,407,272,796.78/1,294,641.51
  6. Step 6: Final answer
    x = 1,036,122.56

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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.