Home / 1,000,355.96-1,380,362.46-570,610.46

Finding the Fourth Proportional to 1,000,355.96, 1,380,362.46 and 570,610.46

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Solution

The fourth proportional to 1,000,355.96, 1,380,362.46 and 570,610.46 is: 787,368.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,355.96 : 1,380,362.46 = 570,610.46 : x
  2. Step 2: Convert to fraction form
    1,000,355.96/1,380,362.46 = 570,610.46/x
  3. Step 3: Cross multiply
    1,000,355.96x = 1,380,362.46 × 570,610.46
  4. Step 4: Simplify right side
    1,000,355.96x = 787,649,258,267.33
  5. Step 5: Solve for x
    x = 787,649,258,267.33/1,000,355.96
  6. Step 6: Final answer
    x = 787,368.99

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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.