Home / 1,210,837.13-1,670,622.73-842,901.92

Finding the Fourth Proportional to 1,210,837.13, 1,670,622.73 and 842,901.92

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Solution

The fourth proportional to 1,210,837.13, 1,670,622.73 and 842,901.92 is: 1,162,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,837.13 : 1,670,622.73 = 842,901.92 : x
  2. Step 2: Convert to fraction form
    1,210,837.13/1,670,622.73 = 842,901.92/x
  3. Step 3: Cross multiply
    1,210,837.13x = 1,670,622.73 × 842,901.92
  4. Step 4: Simplify right side
    1,210,837.13x = 1,408,171,096,252.27
  5. Step 5: Solve for x
    x = 1,408,171,096,252.27/1,210,837.13
  6. Step 6: Final answer
    x = 1,162,973.18

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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.