Home / 1,008,123.60-1,507,811.40-902,272.80

Finding the Fourth Proportional to 1,008,123.60, 1,507,811.40 and 902,272.80

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Solution

The fourth proportional to 1,008,123.60, 1,507,811.40 and 902,272.80 is: 1,349,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,123.60 : 1,507,811.40 = 902,272.80 : x
  2. Step 2: Convert to fraction form
    1,008,123.60/1,507,811.40 = 902,272.80/x
  3. Step 3: Cross multiply
    1,008,123.60x = 1,507,811.40 × 902,272.80
  4. Step 4: Simplify right side
    1,008,123.60x = 1,360,457,213,749.92
  5. Step 5: Solve for x
    x = 1,360,457,213,749.92/1,008,123.60
  6. Step 6: Final answer
    x = 1,349,494.46

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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.