Home / 1,450,123.96-2,172,950.34-776,294.68

Finding the Fourth Proportional to 1,450,123.96, 2,172,950.34 and 776,294.68

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Solution

The fourth proportional to 1,450,123.96, 2,172,950.34 and 776,294.68 is: 1,163,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,123.96 : 2,172,950.34 = 776,294.68 : x
  2. Step 2: Convert to fraction form
    1,450,123.96/2,172,950.34 = 776,294.68/x
  3. Step 3: Cross multiply
    1,450,123.96x = 2,172,950.34 × 776,294.68
  4. Step 4: Simplify right side
    1,450,123.96x = 1,686,849,788,846.19
  5. Step 5: Solve for x
    x = 1,686,849,788,846.19/1,450,123.96
  6. Step 6: Final answer
    x = 1,163,245.24

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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.