Home / 1,425,081.84-2,137,726.44-478,444.56

Finding the Fourth Proportional to 1,425,081.84, 2,137,726.44 and 478,444.56

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Solution

The fourth proportional to 1,425,081.84, 2,137,726.44 and 478,444.56 is: 717,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,081.84 : 2,137,726.44 = 478,444.56 : x
  2. Step 2: Convert to fraction form
    1,425,081.84/2,137,726.44 = 478,444.56/x
  3. Step 3: Cross multiply
    1,425,081.84x = 2,137,726.44 × 478,444.56
  4. Step 4: Simplify right side
    1,425,081.84x = 1,022,783,585,986.17
  5. Step 5: Solve for x
    x = 1,022,783,585,986.17/1,425,081.84
  6. Step 6: Final answer
    x = 717,701.65

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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.