Home / 1,531,281.18-2,297,404.50-721,632.90

Finding the Fourth Proportional to 1,531,281.18, 2,297,404.50 and 721,632.90

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Solution

The fourth proportional to 1,531,281.18, 2,297,404.50 and 721,632.90 is: 1,082,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,281.18 : 2,297,404.50 = 721,632.90 : x
  2. Step 2: Convert to fraction form
    1,531,281.18/2,297,404.50 = 721,632.90/x
  3. Step 3: Cross multiply
    1,531,281.18x = 2,297,404.50 × 721,632.90
  4. Step 4: Simplify right side
    1,531,281.18x = 1,657,882,671,808.05
  5. Step 5: Solve for x
    x = 1,657,882,671,808.05/1,531,281.18
  6. Step 6: Final answer
    x = 1,082,676.84

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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.