Home / 1,439,950.88-2,160,276.23-442,678.88

Finding the Fourth Proportional to 1,439,950.88, 2,160,276.23 and 442,678.88

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Solution

The fourth proportional to 1,439,950.88, 2,160,276.23 and 442,678.88 is: 664,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,950.88 : 2,160,276.23 = 442,678.88 : x
  2. Step 2: Convert to fraction form
    1,439,950.88/2,160,276.23 = 442,678.88/x
  3. Step 3: Cross multiply
    1,439,950.88x = 2,160,276.23 × 442,678.88
  4. Step 4: Simplify right side
    1,439,950.88x = 956,308,652,292.34
  5. Step 5: Solve for x
    x = 956,308,652,292.34/1,439,950.88
  6. Step 6: Final answer
    x = 664,125.89

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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.