Home / 840,110.40-1,260,165.60-603,914.40

Finding the Fourth Proportional to 840,110.40, 1,260,165.60 and 603,914.40

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Solution

The fourth proportional to 840,110.40, 1,260,165.60 and 603,914.40 is: 905,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,110.40 : 1,260,165.60 = 603,914.40 : x
  2. Step 2: Convert to fraction form
    840,110.40/1,260,165.60 = 603,914.40/x
  3. Step 3: Cross multiply
    840,110.40x = 1,260,165.60 × 603,914.40
  4. Step 4: Simplify right side
    840,110.40x = 761,032,152,224.64
  5. Step 5: Solve for x
    x = 761,032,152,224.64/840,110.40
  6. Step 6: Final answer
    x = 905,871.60

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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.