Home / 1,019,315.43-1,406,672.64-560,448.81

Finding the Fourth Proportional to 1,019,315.43, 1,406,672.64 and 560,448.81

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Solution

The fourth proportional to 1,019,315.43, 1,406,672.64 and 560,448.81 is: 773,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,315.43 : 1,406,672.64 = 560,448.81 : x
  2. Step 2: Convert to fraction form
    1,019,315.43/1,406,672.64 = 560,448.81/x
  3. Step 3: Cross multiply
    1,019,315.43x = 1,406,672.64 × 560,448.81
  4. Step 4: Simplify right side
    1,019,315.43x = 788,368,007,147.56
  5. Step 5: Solve for x
    x = 788,368,007,147.56/1,019,315.43
  6. Step 6: Final answer
    x = 773,428.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.