Home / 1,318,278.04-1,819,238.04-774,436.76

Finding the Fourth Proportional to 1,318,278.04, 1,819,238.04 and 774,436.76

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Solution

The fourth proportional to 1,318,278.04, 1,819,238.04 and 774,436.76 is: 1,068,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,278.04 : 1,819,238.04 = 774,436.76 : x
  2. Step 2: Convert to fraction form
    1,318,278.04/1,819,238.04 = 774,436.76/x
  3. Step 3: Cross multiply
    1,318,278.04x = 1,819,238.04 × 774,436.76
  4. Step 4: Simplify right side
    1,318,278.04x = 1,408,884,813,366.35
  5. Step 5: Solve for x
    x = 1,408,884,813,366.35/1,318,278.04
  6. Step 6: Final answer
    x = 1,068,731.16

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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.