Home / 1,169,104.64-1,752,603.84-420,624

Finding the Fourth Proportional to 1,169,104.64, 1,752,603.84 and 420,624

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Solution

The fourth proportional to 1,169,104.64, 1,752,603.84 and 420,624 is: 630,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,104.64 : 1,752,603.84 = 420,624 : x
  2. Step 2: Convert to fraction form
    1,169,104.64/1,752,603.84 = 420,624/x
  3. Step 3: Cross multiply
    1,169,104.64x = 1,752,603.84 × 420,624
  4. Step 4: Simplify right side
    1,169,104.64x = 737,187,237,596.16
  5. Step 5: Solve for x
    x = 737,187,237,596.16/1,169,104.64
  6. Step 6: Final answer
    x = 630,557.11

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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.