Home / 1,053,165.80-1,453,375.68-645,268.52

Finding the Fourth Proportional to 1,053,165.80, 1,453,375.68 and 645,268.52

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Solution

The fourth proportional to 1,053,165.80, 1,453,375.68 and 645,268.52 is: 890,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,165.80 : 1,453,375.68 = 645,268.52 : x
  2. Step 2: Convert to fraction form
    1,053,165.80/1,453,375.68 = 645,268.52/x
  3. Step 3: Cross multiply
    1,053,165.80x = 1,453,375.68 × 645,268.52
  4. Step 4: Simplify right side
    1,053,165.80x = 937,817,574,037.59
  5. Step 5: Solve for x
    x = 937,817,574,037.59/1,053,165.80
  6. Step 6: Final answer
    x = 890,474.77

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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.