Home / 1,158,811.60-1,738,217.40-878,875.60

Finding the Fourth Proportional to 1,158,811.60, 1,738,217.40 and 878,875.60

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Solution

The fourth proportional to 1,158,811.60, 1,738,217.40 and 878,875.60 is: 1,318,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,811.60 : 1,738,217.40 = 878,875.60 : x
  2. Step 2: Convert to fraction form
    1,158,811.60/1,738,217.40 = 878,875.60/x
  3. Step 3: Cross multiply
    1,158,811.60x = 1,738,217.40 × 878,875.60
  4. Step 4: Simplify right side
    1,158,811.60x = 1,527,676,860,355.44
  5. Step 5: Solve for x
    x = 1,527,676,860,355.44/1,158,811.60
  6. Step 6: Final answer
    x = 1,318,313.40

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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.