Home / 1,140,108.40-1,709,034.60-540,014.80

Finding the Fourth Proportional to 1,140,108.40, 1,709,034.60 and 540,014.80

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Solution

The fourth proportional to 1,140,108.40, 1,709,034.60 and 540,014.80 is: 809,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,108.40 : 1,709,034.60 = 540,014.80 : x
  2. Step 2: Convert to fraction form
    1,140,108.40/1,709,034.60 = 540,014.80/x
  3. Step 3: Cross multiply
    1,140,108.40x = 1,709,034.60 × 540,014.80
  4. Step 4: Simplify right side
    1,140,108.40x = 922,903,977,712.08
  5. Step 5: Solve for x
    x = 922,903,977,712.08/1,140,108.40
  6. Step 6: Final answer
    x = 809,487.92

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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.