Home / 1,066,509-1,600,353.96-638,994.24

Finding the Fourth Proportional to 1,066,509, 1,600,353.96 and 638,994.24

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Solution

The fourth proportional to 1,066,509, 1,600,353.96 and 638,994.24 is: 958,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,509 : 1,600,353.96 = 638,994.24 : x
  2. Step 2: Convert to fraction form
    1,066,509/1,600,353.96 = 638,994.24/x
  3. Step 3: Cross multiply
    1,066,509x = 1,600,353.96 × 638,994.24
  4. Step 4: Simplify right side
    1,066,509x = 1,022,616,962,401.19
  5. Step 5: Solve for x
    x = 1,022,616,962,401.19/1,066,509
  6. Step 6: Final answer
    x = 958,845.13

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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.