Home / 1,072,903.32-1,609,357.14-399,132.36

Finding the Fourth Proportional to 1,072,903.32, 1,609,357.14 and 399,132.36

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Solution

The fourth proportional to 1,072,903.32, 1,609,357.14 and 399,132.36 is: 598,699.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,903.32 : 1,609,357.14 = 399,132.36 : x
  2. Step 2: Convert to fraction form
    1,072,903.32/1,609,357.14 = 399,132.36/x
  3. Step 3: Cross multiply
    1,072,903.32x = 1,609,357.14 × 399,132.36
  4. Step 4: Simplify right side
    1,072,903.32x = 642,346,513,371.05
  5. Step 5: Solve for x
    x = 642,346,513,371.05/1,072,903.32
  6. Step 6: Final answer
    x = 598,699.34

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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.