Home / 1,492,417.76-2,238,605.78-851,353.38

Finding the Fourth Proportional to 1,492,417.76, 2,238,605.78 and 851,353.38

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Solution

The fourth proportional to 1,492,417.76, 2,238,605.78 and 851,353.38 is: 1,277,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,417.76 : 2,238,605.78 = 851,353.38 : x
  2. Step 2: Convert to fraction form
    1,492,417.76/2,238,605.78 = 851,353.38/x
  3. Step 3: Cross multiply
    1,492,417.76x = 2,238,605.78 × 851,353.38
  4. Step 4: Simplify right side
    1,492,417.76x = 1,905,844,593,033.77
  5. Step 5: Solve for x
    x = 1,905,844,593,033.77/1,492,417.76
  6. Step 6: Final answer
    x = 1,277,018.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.