Home / 1,245,652.03-1,718,999.79-672,692.16

Finding the Fourth Proportional to 1,245,652.03, 1,718,999.79 and 672,692.16

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Solution

The fourth proportional to 1,245,652.03, 1,718,999.79 and 672,692.16 is: 928,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,652.03 : 1,718,999.79 = 672,692.16 : x
  2. Step 2: Convert to fraction form
    1,245,652.03/1,718,999.79 = 672,692.16/x
  3. Step 3: Cross multiply
    1,245,652.03x = 1,718,999.79 × 672,692.16
  4. Step 4: Simplify right side
    1,245,652.03x = 1,156,357,681,774.65
  5. Step 5: Solve for x
    x = 1,156,357,681,774.65/1,245,652.03
  6. Step 6: Final answer
    x = 928,315.18

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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.