Home / 1,284,531.89-1,772,639.03-695,820.24

Finding the Fourth Proportional to 1,284,531.89, 1,772,639.03 and 695,820.24

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Solution

The fourth proportional to 1,284,531.89, 1,772,639.03 and 695,820.24 is: 960,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,531.89 : 1,772,639.03 = 695,820.24 : x
  2. Step 2: Convert to fraction form
    1,284,531.89/1,772,639.03 = 695,820.24/x
  3. Step 3: Cross multiply
    1,284,531.89x = 1,772,639.03 × 695,820.24
  4. Step 4: Simplify right side
    1,284,531.89x = 1,233,438,117,027.52
  5. Step 5: Solve for x
    x = 1,233,438,117,027.52/1,284,531.89
  6. Step 6: Final answer
    x = 960,223.82

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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.