Home / 1,158,813.60-1,738,220.40-878,877.60

Finding the Fourth Proportional to 1,158,813.60, 1,738,220.40 and 878,877.60

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Solution

The fourth proportional to 1,158,813.60, 1,738,220.40 and 878,877.60 is: 1,318,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,813.60 : 1,738,220.40 = 878,877.60 : x
  2. Step 2: Convert to fraction form
    1,158,813.60/1,738,220.40 = 878,877.60/x
  3. Step 3: Cross multiply
    1,158,813.60x = 1,738,220.40 × 878,877.60
  4. Step 4: Simplify right side
    1,158,813.60x = 1,527,682,973,423.04
  5. Step 5: Solve for x
    x = 1,527,682,973,423.04/1,158,813.60
  6. Step 6: Final answer
    x = 1,318,316.40

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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.