Home / 1,119,418.08-1,545,017.40-779,689.50

Finding the Fourth Proportional to 1,119,418.08, 1,545,017.40 and 779,689.50

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Solution

The fourth proportional to 1,119,418.08, 1,545,017.40 and 779,689.50 is: 1,076,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,418.08 : 1,545,017.40 = 779,689.50 : x
  2. Step 2: Convert to fraction form
    1,119,418.08/1,545,017.40 = 779,689.50/x
  3. Step 3: Cross multiply
    1,119,418.08x = 1,545,017.40 × 779,689.50
  4. Step 4: Simplify right side
    1,119,418.08x = 1,204,633,844,097.30
  5. Step 5: Solve for x
    x = 1,204,633,844,097.30/1,119,418.08
  6. Step 6: Final answer
    x = 1,076,125.06

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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.