Home / 1,664,459.15-2,296,943.96-900,496.31

Finding the Fourth Proportional to 1,664,459.15, 2,296,943.96 and 900,496.31

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Solution

The fourth proportional to 1,664,459.15, 2,296,943.96 and 900,496.31 is: 1,242,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,459.15 : 2,296,943.96 = 900,496.31 : x
  2. Step 2: Convert to fraction form
    1,664,459.15/2,296,943.96 = 900,496.31/x
  3. Step 3: Cross multiply
    1,664,459.15x = 2,296,943.96 × 900,496.31
  4. Step 4: Simplify right side
    1,664,459.15x = 2,068,389,544,269.59
  5. Step 5: Solve for x
    x = 2,068,389,544,269.59/1,664,459.15
  6. Step 6: Final answer
    x = 1,242,679.67

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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.