Home / 1,425,222.05-2,136,324.02-666,426.02

Finding the Fourth Proportional to 1,425,222.05, 2,136,324.02 and 666,426.02

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Solution

The fourth proportional to 1,425,222.05, 2,136,324.02 and 666,426.02 is: 998,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,222.05 : 2,136,324.02 = 666,426.02 : x
  2. Step 2: Convert to fraction form
    1,425,222.05/2,136,324.02 = 666,426.02/x
  3. Step 3: Cross multiply
    1,425,222.05x = 2,136,324.02 × 666,426.02
  4. Step 4: Simplify right side
    1,425,222.05x = 1,423,701,900,065.25
  5. Step 5: Solve for x
    x = 1,423,701,900,065.25/1,425,222.05
  6. Step 6: Final answer
    x = 998,933.40

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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.