Home / 1,418,929.32-1,958,121.92-774,349.51

Finding the Fourth Proportional to 1,418,929.32, 1,958,121.92 and 774,349.51

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Solution

The fourth proportional to 1,418,929.32, 1,958,121.92 and 774,349.51 is: 1,068,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,929.32 : 1,958,121.92 = 774,349.51 : x
  2. Step 2: Convert to fraction form
    1,418,929.32/1,958,121.92 = 774,349.51/x
  3. Step 3: Cross multiply
    1,418,929.32x = 1,958,121.92 × 774,349.51
  4. Step 4: Simplify right side
    1,418,929.32x = 1,516,270,749,272.26
  5. Step 5: Solve for x
    x = 1,516,270,749,272.26/1,418,929.32
  6. Step 6: Final answer
    x = 1,068,602.03

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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.