Home / 1,115,256.56-1,671,944.40-483,694.68

Finding the Fourth Proportional to 1,115,256.56, 1,671,944.40 and 483,694.68

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Solution

The fourth proportional to 1,115,256.56, 1,671,944.40 and 483,694.68 is: 725,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,256.56 : 1,671,944.40 = 483,694.68 : x
  2. Step 2: Convert to fraction form
    1,115,256.56/1,671,944.40 = 483,694.68/x
  3. Step 3: Cross multiply
    1,115,256.56x = 1,671,944.40 × 483,694.68
  4. Step 4: Simplify right side
    1,115,256.56x = 808,710,611,535.79
  5. Step 5: Solve for x
    x = 808,710,611,535.79/1,115,256.56
  6. Step 6: Final answer
    x = 725,134.14

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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.