Home / 759,477.60-1,139,216.40-747,667.80

Finding the Fourth Proportional to 759,477.60, 1,139,216.40 and 747,667.80

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Solution

The fourth proportional to 759,477.60, 1,139,216.40 and 747,667.80 is: 1,121,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,477.60 : 1,139,216.40 = 747,667.80 : x
  2. Step 2: Convert to fraction form
    759,477.60/1,139,216.40 = 747,667.80/x
  3. Step 3: Cross multiply
    759,477.60x = 1,139,216.40 × 747,667.80
  4. Step 4: Simplify right side
    759,477.60x = 851,755,419,511.92
  5. Step 5: Solve for x
    x = 851,755,419,511.92/759,477.60
  6. Step 6: Final answer
    x = 1,121,501.70

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1.5x scale

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.