Home / 1,163,915.72-1,605,293.75-756,148.94

Finding the Fourth Proportional to 1,163,915.72, 1,605,293.75 and 756,148.94

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Solution

The fourth proportional to 1,163,915.72, 1,605,293.75 and 756,148.94 is: 1,042,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,915.72 : 1,605,293.75 = 756,148.94 : x
  2. Step 2: Convert to fraction form
    1,163,915.72/1,605,293.75 = 756,148.94/x
  3. Step 3: Cross multiply
    1,163,915.72x = 1,605,293.75 × 756,148.94
  4. Step 4: Simplify right side
    1,163,915.72x = 1,213,841,155,643.91
  5. Step 5: Solve for x
    x = 1,213,841,155,643.91/1,163,915.72
  6. Step 6: Final answer
    x = 1,042,894.38

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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.