Home / 868,000.55-1,302,000.83-860,127.35

Finding the Fourth Proportional to 868,000.55, 1,302,000.83 and 860,127.35

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Solution

The fourth proportional to 868,000.55, 1,302,000.83 and 860,127.35 is: 1,290,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,000.55 : 1,302,000.83 = 860,127.35 : x
  2. Step 2: Convert to fraction form
    868,000.55/1,302,000.83 = 860,127.35/x
  3. Step 3: Cross multiply
    868,000.55x = 1,302,000.83 × 860,127.35
  4. Step 4: Simplify right side
    868,000.55x = 1,119,886,519,305.06
  5. Step 5: Solve for x
    x = 1,119,886,519,305.06/868,000.55
  6. Step 6: Final answer
    x = 1,290,191.03

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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.