Home / 1,053,461.23-1,454,758.89-775,381.09

Finding the Fourth Proportional to 1,053,461.23, 1,454,758.89 and 775,381.09

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Solution

The fourth proportional to 1,053,461.23, 1,454,758.89 and 775,381.09 is: 1,070,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,461.23 : 1,454,758.89 = 775,381.09 : x
  2. Step 2: Convert to fraction form
    1,053,461.23/1,454,758.89 = 775,381.09/x
  3. Step 3: Cross multiply
    1,053,461.23x = 1,454,758.89 × 775,381.09
  4. Step 4: Simplify right side
    1,053,461.23x = 1,127,992,533,815.39
  5. Step 5: Solve for x
    x = 1,127,992,533,815.39/1,053,461.23
  6. Step 6: Final answer
    x = 1,070,748.98

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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.