Home / 1,420,379.34-2,130,868.23-460,760.01

Finding the Fourth Proportional to 1,420,379.34, 2,130,868.23 and 460,760.01

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Solution

The fourth proportional to 1,420,379.34, 2,130,868.23 and 460,760.01 is: 691,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,379.34 : 2,130,868.23 = 460,760.01 : x
  2. Step 2: Convert to fraction form
    1,420,379.34/2,130,868.23 = 460,760.01/x
  3. Step 3: Cross multiply
    1,420,379.34x = 2,130,868.23 × 460,760.01
  4. Step 4: Simplify right side
    1,420,379.34x = 981,818,871,822.79
  5. Step 5: Solve for x
    x = 981,818,871,822.79/1,420,379.34
  6. Step 6: Final answer
    x = 691,237.08

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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.