Home / 1,162,034.09-1,603,608.18-645,836.31

Finding the Fourth Proportional to 1,162,034.09, 1,603,608.18 and 645,836.31

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Solution

The fourth proportional to 1,162,034.09, 1,603,608.18 and 645,836.31 is: 891,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,034.09 : 1,603,608.18 = 645,836.31 : x
  2. Step 2: Convert to fraction form
    1,162,034.09/1,603,608.18 = 645,836.31/x
  3. Step 3: Cross multiply
    1,162,034.09x = 1,603,608.18 × 645,836.31
  4. Step 4: Simplify right side
    1,162,034.09x = 1,035,668,385,230.28
  5. Step 5: Solve for x
    x = 1,035,668,385,230.28/1,162,034.09
  6. Step 6: Final answer
    x = 891,254.74

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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.