Home / 1,284,754.97-1,925,030.10-777,779.30

Finding the Fourth Proportional to 1,284,754.97, 1,925,030.10 and 777,779.30

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Solution

The fourth proportional to 1,284,754.97, 1,925,030.10 and 777,779.30 is: 1,165,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,754.97 : 1,925,030.10 = 777,779.30 : x
  2. Step 2: Convert to fraction form
    1,284,754.97/1,925,030.10 = 777,779.30/x
  3. Step 3: Cross multiply
    1,284,754.97x = 1,925,030.10 × 777,779.30
  4. Step 4: Simplify right side
    1,284,754.97x = 1,497,248,563,656.93
  5. Step 5: Solve for x
    x = 1,497,248,563,656.93/1,284,754.97
  6. Step 6: Final answer
    x = 1,165,396.20

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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.