Home / 1,421,093.87-1,960,885.14-808,903.56

Finding the Fourth Proportional to 1,421,093.87, 1,960,885.14 and 808,903.56

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Solution

The fourth proportional to 1,421,093.87, 1,960,885.14 and 808,903.56 is: 1,116,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,093.87 : 1,960,885.14 = 808,903.56 : x
  2. Step 2: Convert to fraction form
    1,421,093.87/1,960,885.14 = 808,903.56/x
  3. Step 3: Cross multiply
    1,421,093.87x = 1,960,885.14 × 808,903.56
  4. Step 4: Simplify right side
    1,421,093.87x = 1,586,166,970,497.10
  5. Step 5: Solve for x
    x = 1,586,166,970,497.10/1,421,093.87
  6. Step 6: Final answer
    x = 1,116,159.19

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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.