Home / 1,377,623.88-2,066,432.94-380,349

Finding the Fourth Proportional to 1,377,623.88, 2,066,432.94 and 380,349

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Solution

The fourth proportional to 1,377,623.88, 2,066,432.94 and 380,349 is: 570,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,623.88 : 2,066,432.94 = 380,349 : x
  2. Step 2: Convert to fraction form
    1,377,623.88/2,066,432.94 = 380,349/x
  3. Step 3: Cross multiply
    1,377,623.88x = 2,066,432.94 × 380,349
  4. Step 4: Simplify right side
    1,377,623.88x = 785,965,702,296.06
  5. Step 5: Solve for x
    x = 785,965,702,296.06/1,377,623.88
  6. Step 6: Final answer
    x = 570,522.70

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1.5x scale

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.