Home / 1,015,746.42-1,401,699.68-556,845.28

Finding the Fourth Proportional to 1,015,746.42, 1,401,699.68 and 556,845.28

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Solution

The fourth proportional to 1,015,746.42, 1,401,699.68 and 556,845.28 is: 768,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,746.42 : 1,401,699.68 = 556,845.28 : x
  2. Step 2: Convert to fraction form
    1,015,746.42/1,401,699.68 = 556,845.28/x
  3. Step 3: Cross multiply
    1,015,746.42x = 1,401,699.68 × 556,845.28
  4. Step 4: Simplify right side
    1,015,746.42x = 780,529,850,785.51
  5. Step 5: Solve for x
    x = 780,529,850,785.51/1,015,746.42
  6. Step 6: Final answer
    x = 768,429.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.