Home / 1,421,779.70-2,133,043.16-511,054.58

Finding the Fourth Proportional to 1,421,779.70, 2,133,043.16 and 511,054.58

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Solution

The fourth proportional to 1,421,779.70, 2,133,043.16 and 511,054.58 is: 766,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,779.70 : 2,133,043.16 = 511,054.58 : x
  2. Step 2: Convert to fraction form
    1,421,779.70/2,133,043.16 = 511,054.58/x
  3. Step 3: Cross multiply
    1,421,779.70x = 2,133,043.16 × 511,054.58
  4. Step 4: Simplify right side
    1,421,779.70x = 1,090,101,463,035.18
  5. Step 5: Solve for x
    x = 1,090,101,463,035.18/1,421,779.70
  6. Step 6: Final answer
    x = 766,716.16

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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.