Home / 1,505,523-2,252,612.70-1,057,129.68

Finding the Fourth Proportional to 1,505,523, 2,252,612.70 and 1,057,129.68

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Solution

The fourth proportional to 1,505,523, 2,252,612.70 and 1,057,129.68 is: 1,581,711.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,523 : 2,252,612.70 = 1,057,129.68 : x
  2. Step 2: Convert to fraction form
    1,505,523/2,252,612.70 = 1,057,129.68/x
  3. Step 3: Cross multiply
    1,505,523x = 2,252,612.70 × 1,057,129.68
  4. Step 4: Simplify right side
    1,505,523x = 2,381,303,742,714.94
  5. Step 5: Solve for x
    x = 2,381,303,742,714.94/1,505,523
  6. Step 6: Final answer
    x = 1,581,711.97

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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.