Home / 862,277.40-1,293,416.10-778,296.60

Finding the Fourth Proportional to 862,277.40, 1,293,416.10 and 778,296.60

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Solution

The fourth proportional to 862,277.40, 1,293,416.10 and 778,296.60 is: 1,167,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,277.40 : 1,293,416.10 = 778,296.60 : x
  2. Step 2: Convert to fraction form
    862,277.40/1,293,416.10 = 778,296.60/x
  3. Step 3: Cross multiply
    862,277.40x = 1,293,416.10 × 778,296.60
  4. Step 4: Simplify right side
    862,277.40x = 1,006,661,353,015.26
  5. Step 5: Solve for x
    x = 1,006,661,353,015.26/862,277.40
  6. Step 6: Final answer
    x = 1,167,444.90

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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.