Home / 1,196,490.90-1,651,162.61-652,638.38

Finding the Fourth Proportional to 1,196,490.90, 1,651,162.61 and 652,638.38

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Solution

The fourth proportional to 1,196,490.90, 1,651,162.61 and 652,638.38 is: 900,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,490.90 : 1,651,162.61 = 652,638.38 : x
  2. Step 2: Convert to fraction form
    1,196,490.90/1,651,162.61 = 652,638.38/x
  3. Step 3: Cross multiply
    1,196,490.90x = 1,651,162.61 × 652,638.38
  4. Step 4: Simplify right side
    1,196,490.90x = 1,077,612,079,387.97
  5. Step 5: Solve for x
    x = 1,077,612,079,387.97/1,196,490.90
  6. Step 6: Final answer
    x = 900,643.77

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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.