Home / 1,804,619.80-2,706,931.72-542,447.40

Finding the Fourth Proportional to 1,804,619.80, 2,706,931.72 and 542,447.40

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Solution

The fourth proportional to 1,804,619.80, 2,706,931.72 and 542,447.40 is: 813,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,619.80 : 2,706,931.72 = 542,447.40 : x
  2. Step 2: Convert to fraction form
    1,804,619.80/2,706,931.72 = 542,447.40/x
  3. Step 3: Cross multiply
    1,804,619.80x = 2,706,931.72 × 542,447.40
  4. Step 4: Simplify right side
    1,804,619.80x = 1,468,368,073,491.53
  5. Step 5: Solve for x
    x = 1,468,368,073,491.53/1,804,619.80
  6. Step 6: Final answer
    x = 813,671.71

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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.