Home / 1,151,291.76-1,587,580.59-802,837.38

Finding the Fourth Proportional to 1,151,291.76, 1,587,580.59 and 802,837.38

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Solution

The fourth proportional to 1,151,291.76, 1,587,580.59 and 802,837.38 is: 1,107,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,291.76 : 1,587,580.59 = 802,837.38 : x
  2. Step 2: Convert to fraction form
    1,151,291.76/1,587,580.59 = 802,837.38/x
  3. Step 3: Cross multiply
    1,151,291.76x = 1,587,580.59 × 802,837.38
  4. Step 4: Simplify right side
    1,151,291.76x = 1,274,569,041,414.45
  5. Step 5: Solve for x
    x = 1,274,569,041,414.45/1,151,291.76
  6. Step 6: Final answer
    x = 1,107,077.36

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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.