Home / 1,418,903.03-1,958,127.45-774,364.70

Finding the Fourth Proportional to 1,418,903.03, 1,958,127.45 and 774,364.70

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Solution

The fourth proportional to 1,418,903.03, 1,958,127.45 and 774,364.70 is: 1,068,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,903.03 : 1,958,127.45 = 774,364.70 : x
  2. Step 2: Convert to fraction form
    1,418,903.03/1,958,127.45 = 774,364.70/x
  3. Step 3: Cross multiply
    1,418,903.03x = 1,958,127.45 × 774,364.70
  4. Step 4: Simplify right side
    1,418,903.03x = 1,516,304,775,381.02
  5. Step 5: Solve for x
    x = 1,516,304,775,381.02/1,418,903.03
  6. Step 6: Final answer
    x = 1,068,645.81

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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.