Home / 1,457,977.20-2,186,309.70-559,120.20

Finding the Fourth Proportional to 1,457,977.20, 2,186,309.70 and 559,120.20

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Solution

The fourth proportional to 1,457,977.20, 2,186,309.70 and 559,120.20 is: 838,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,977.20 : 2,186,309.70 = 559,120.20 : x
  2. Step 2: Convert to fraction form
    1,457,977.20/2,186,309.70 = 559,120.20/x
  3. Step 3: Cross multiply
    1,457,977.20x = 2,186,309.70 × 559,120.20
  4. Step 4: Simplify right side
    1,457,977.20x = 1,222,409,916,725.94
  5. Step 5: Solve for x
    x = 1,222,409,916,725.94/1,457,977.20
  6. Step 6: Final answer
    x = 838,428.69

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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.