Home / 1,066,401.86-1,599,602.48-426,993.53

Finding the Fourth Proportional to 1,066,401.86, 1,599,602.48 and 426,993.53

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Solution

The fourth proportional to 1,066,401.86, 1,599,602.48 and 426,993.53 is: 640,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,401.86 : 1,599,602.48 = 426,993.53 : x
  2. Step 2: Convert to fraction form
    1,066,401.86/1,599,602.48 = 426,993.53/x
  3. Step 3: Cross multiply
    1,066,401.86x = 1,599,602.48 × 426,993.53
  4. Step 4: Simplify right side
    1,066,401.86x = 683,019,901,000.20
  5. Step 5: Solve for x
    x = 683,019,901,000.20/1,066,401.86
  6. Step 6: Final answer
    x = 640,490.17

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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.