Home / 1,767,285.60-2,649,178.80-867,991.20

Finding the Fourth Proportional to 1,767,285.60, 2,649,178.80 and 867,991.20

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Solution

The fourth proportional to 1,767,285.60, 2,649,178.80 and 867,991.20 is: 1,301,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,285.60 : 2,649,178.80 = 867,991.20 : x
  2. Step 2: Convert to fraction form
    1,767,285.60/2,649,178.80 = 867,991.20/x
  3. Step 3: Cross multiply
    1,767,285.60x = 2,649,178.80 × 867,991.20
  4. Step 4: Simplify right side
    1,767,285.60x = 2,299,463,885,626.56
  5. Step 5: Solve for x
    x = 2,299,463,885,626.56/1,767,285.60
  6. Step 6: Final answer
    x = 1,301,127.49

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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.