Home / 1,000,356.09-1,380,622.82-570,537.69

Finding the Fourth Proportional to 1,000,356.09, 1,380,622.82 and 570,537.69

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Solution

The fourth proportional to 1,000,356.09, 1,380,622.82 and 570,537.69 is: 787,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,356.09 : 1,380,622.82 = 570,537.69 : x
  2. Step 2: Convert to fraction form
    1,000,356.09/1,380,622.82 = 570,537.69/x
  3. Step 3: Cross multiply
    1,000,356.09x = 1,380,622.82 × 570,537.69
  4. Step 4: Simplify right side
    1,000,356.09x = 787,697,353,057.74
  5. Step 5: Solve for x
    x = 787,697,353,057.74/1,000,356.09
  6. Step 6: Final answer
    x = 787,416.96

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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.