Home / 1,053,794.30-1,454,271.33-645,817.31

Finding the Fourth Proportional to 1,053,794.30, 1,454,271.33 and 645,817.31

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Solution

The fourth proportional to 1,053,794.30, 1,454,271.33 and 645,817.31 is: 891,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,794.30 : 1,454,271.33 = 645,817.31 : x
  2. Step 2: Convert to fraction form
    1,053,794.30/1,454,271.33 = 645,817.31/x
  3. Step 3: Cross multiply
    1,053,794.30x = 1,454,271.33 × 645,817.31
  4. Step 4: Simplify right side
    1,053,794.30x = 939,193,595,321.98
  5. Step 5: Solve for x
    x = 939,193,595,321.98/1,053,794.30
  6. Step 6: Final answer
    x = 891,249.46

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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.