Home / 1,420,291.77-2,130,737.23-460,672.84

Finding the Fourth Proportional to 1,420,291.77, 2,130,737.23 and 460,672.84

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Solution

The fourth proportional to 1,420,291.77, 2,130,737.23 and 460,672.84 is: 691,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,291.77 : 2,130,737.23 = 460,672.84 : x
  2. Step 2: Convert to fraction form
    1,420,291.77/2,130,737.23 = 460,672.84/x
  3. Step 3: Cross multiply
    1,420,291.77x = 2,130,737.23 × 460,672.84
  4. Step 4: Simplify right side
    1,420,291.77x = 981,572,777,678.51
  5. Step 5: Solve for x
    x = 981,572,777,678.51/1,420,291.77
  6. Step 6: Final answer
    x = 691,106.43

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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.