Home / 1,152,989.60-1,724,818.80-1,013,021.60

Finding the Fourth Proportional to 1,152,989.60, 1,724,818.80 and 1,013,021.60

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Solution

The fourth proportional to 1,152,989.60, 1,724,818.80 and 1,013,021.60 is: 1,515,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,989.60 : 1,724,818.80 = 1,013,021.60 : x
  2. Step 2: Convert to fraction form
    1,152,989.60/1,724,818.80 = 1,013,021.60/x
  3. Step 3: Cross multiply
    1,152,989.60x = 1,724,818.80 × 1,013,021.60
  4. Step 4: Simplify right side
    1,152,989.60x = 1,747,278,700,486.08
  5. Step 5: Solve for x
    x = 1,747,278,700,486.08/1,152,989.60
  6. Step 6: Final answer
    x = 1,515,433.18

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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.