Home / 1,159,128.60-1,738,692.90-879,192.60

Finding the Fourth Proportional to 1,159,128.60, 1,738,692.90 and 879,192.60

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Solution

The fourth proportional to 1,159,128.60, 1,738,692.90 and 879,192.60 is: 1,318,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,128.60 : 1,738,692.90 = 879,192.60 : x
  2. Step 2: Convert to fraction form
    1,159,128.60/1,738,692.90 = 879,192.60/x
  3. Step 3: Cross multiply
    1,159,128.60x = 1,738,692.90 × 879,192.60
  4. Step 4: Simplify right side
    1,159,128.60x = 1,528,645,931,352.54
  5. Step 5: Solve for x
    x = 1,528,645,931,352.54/1,159,128.60
  6. Step 6: Final answer
    x = 1,318,788.90

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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.