Home / 1,377,307.28-2,066,079.99-380,035.28

Finding the Fourth Proportional to 1,377,307.28, 2,066,079.99 and 380,035.28

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Solution

The fourth proportional to 1,377,307.28, 2,066,079.99 and 380,035.28 is: 570,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,307.28 : 2,066,079.99 = 380,035.28 : x
  2. Step 2: Convert to fraction form
    1,377,307.28/2,066,079.99 = 380,035.28/x
  3. Step 3: Cross multiply
    1,377,307.28x = 2,066,079.99 × 380,035.28
  4. Step 4: Simplify right side
    1,377,307.28x = 785,183,287,502.05
  5. Step 5: Solve for x
    x = 785,183,287,502.05/1,377,307.28
  6. Step 6: Final answer
    x = 570,085.77

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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.