Home / 1,000,076.40-1,379,762.28-570,046.32

Finding the Fourth Proportional to 1,000,076.40, 1,379,762.28 and 570,046.32

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Solution

The fourth proportional to 1,000,076.40, 1,379,762.28 and 570,046.32 is: 786,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,076.40 : 1,379,762.28 = 570,046.32 : x
  2. Step 2: Convert to fraction form
    1,000,076.40/1,379,762.28 = 570,046.32/x
  3. Step 3: Cross multiply
    1,000,076.40x = 1,379,762.28 × 570,046.32
  4. Step 4: Simplify right side
    1,000,076.40x = 786,528,410,188.81
  5. Step 5: Solve for x
    x = 786,528,410,188.81/1,000,076.40
  6. Step 6: Final answer
    x = 786,468.32

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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.