Home / 840,486.03-1,254,173.63-749,906.02

Finding the Fourth Proportional to 840,486.03, 1,254,173.63 and 749,906.02

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Solution

The fourth proportional to 840,486.03, 1,254,173.63 and 749,906.02 is: 1,119,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,486.03 : 1,254,173.63 = 749,906.02 : x
  2. Step 2: Convert to fraction form
    840,486.03/1,254,173.63 = 749,906.02/x
  3. Step 3: Cross multiply
    840,486.03x = 1,254,173.63 × 749,906.02
  4. Step 4: Simplify right side
    840,486.03x = 940,512,355,262.25
  5. Step 5: Solve for x
    x = 940,512,355,262.25/840,486.03
  6. Step 6: Final answer
    x = 1,119,010.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.