Home / 1,472,421.89-2,208,682.25-407,374.76

Finding the Fourth Proportional to 1,472,421.89, 2,208,682.25 and 407,374.76

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Solution

The fourth proportional to 1,472,421.89, 2,208,682.25 and 407,374.76 is: 611,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,421.89 : 2,208,682.25 = 407,374.76 : x
  2. Step 2: Convert to fraction form
    1,472,421.89/2,208,682.25 = 407,374.76/x
  3. Step 3: Cross multiply
    1,472,421.89x = 2,208,682.25 × 407,374.76
  4. Step 4: Simplify right side
    1,472,421.89x = 899,761,401,510.01
  5. Step 5: Solve for x
    x = 899,761,401,510.01/1,472,421.89
  6. Step 6: Final answer
    x = 611,075.81

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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.