Home / 1,346,647.40-2,019,971.10-842,762.60

Finding the Fourth Proportional to 1,346,647.40, 2,019,971.10 and 842,762.60

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Solution

The fourth proportional to 1,346,647.40, 2,019,971.10 and 842,762.60 is: 1,264,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,647.40 : 2,019,971.10 = 842,762.60 : x
  2. Step 2: Convert to fraction form
    1,346,647.40/2,019,971.10 = 842,762.60/x
  3. Step 3: Cross multiply
    1,346,647.40x = 2,019,971.10 × 842,762.60
  4. Step 4: Simplify right side
    1,346,647.40x = 1,702,356,096,160.86
  5. Step 5: Solve for x
    x = 1,702,356,096,160.86/1,346,647.40
  6. Step 6: Final answer
    x = 1,264,143.90

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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.