Home / 1,357,428.24-2,036,404.62-515,914.38

Finding the Fourth Proportional to 1,357,428.24, 2,036,404.62 and 515,914.38

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Solution

The fourth proportional to 1,357,428.24, 2,036,404.62 and 515,914.38 is: 773,971.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,428.24 : 2,036,404.62 = 515,914.38 : x
  2. Step 2: Convert to fraction form
    1,357,428.24/2,036,404.62 = 515,914.38/x
  3. Step 3: Cross multiply
    1,357,428.24x = 2,036,404.62 × 515,914.38
  4. Step 4: Simplify right side
    1,357,428.24x = 1,050,610,426,956.44
  5. Step 5: Solve for x
    x = 1,050,610,426,956.44/1,357,428.24
  6. Step 6: Final answer
    x = 773,971.25

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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.