Home / 1,118,675.89-1,543,764.85-609,378.27

Finding the Fourth Proportional to 1,118,675.89, 1,543,764.85 and 609,378.27

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Solution

The fourth proportional to 1,118,675.89, 1,543,764.85 and 609,378.27 is: 840,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,675.89 : 1,543,764.85 = 609,378.27 : x
  2. Step 2: Convert to fraction form
    1,118,675.89/1,543,764.85 = 609,378.27/x
  3. Step 3: Cross multiply
    1,118,675.89x = 1,543,764.85 × 609,378.27
  4. Step 4: Simplify right side
    1,118,675.89x = 940,736,753,579.81
  5. Step 5: Solve for x
    x = 940,736,753,579.81/1,118,675.89
  6. Step 6: Final answer
    x = 840,937.72

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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.