Home / 851,980.60-1,280,595.30-804,741.40

Finding the Fourth Proportional to 851,980.60, 1,280,595.30 and 804,741.40

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Solution

The fourth proportional to 851,980.60, 1,280,595.30 and 804,741.40 is: 1,209,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,980.60 : 1,280,595.30 = 804,741.40 : x
  2. Step 2: Convert to fraction form
    851,980.60/1,280,595.30 = 804,741.40/x
  3. Step 3: Cross multiply
    851,980.60x = 1,280,595.30 × 804,741.40
  4. Step 4: Simplify right side
    851,980.60x = 1,030,548,054,555.42
  5. Step 5: Solve for x
    x = 1,030,548,054,555.42/851,980.60
  6. Step 6: Final answer
    x = 1,209,590.99

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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.