Home / 1,377,207.25-2,065,929.95-379,935.25

Finding the Fourth Proportional to 1,377,207.25, 2,065,929.95 and 379,935.25

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Solution

The fourth proportional to 1,377,207.25, 2,065,929.95 and 379,935.25 is: 569,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,207.25 : 2,065,929.95 = 379,935.25 : x
  2. Step 2: Convert to fraction form
    1,377,207.25/2,065,929.95 = 379,935.25/x
  3. Step 3: Cross multiply
    1,377,207.25x = 2,065,929.95 × 379,935.25
  4. Step 4: Simplify right side
    1,377,207.25x = 784,919,612,035.74
  5. Step 5: Solve for x
    x = 784,919,612,035.74/1,377,207.25
  6. Step 6: Final answer
    x = 569,935.72

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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.