Home / 1,535,487.54-2,119,652.25-991,888.34

Finding the Fourth Proportional to 1,535,487.54, 2,119,652.25 and 991,888.34

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Solution

The fourth proportional to 1,535,487.54, 2,119,652.25 and 991,888.34 is: 1,369,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,487.54 : 2,119,652.25 = 991,888.34 : x
  2. Step 2: Convert to fraction form
    1,535,487.54/2,119,652.25 = 991,888.34/x
  3. Step 3: Cross multiply
    1,535,487.54x = 2,119,652.25 × 991,888.34
  4. Step 4: Simplify right side
    1,535,487.54x = 2,102,458,337,311.92
  5. Step 5: Solve for x
    x = 2,102,458,337,311.92/1,535,487.54
  6. Step 6: Final answer
    x = 1,369,244.81

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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.