Home / 1,054,419.20-1,581,628.80-1,013,084.90

Finding the Fourth Proportional to 1,054,419.20, 1,581,628.80 and 1,013,084.90

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Solution

The fourth proportional to 1,054,419.20, 1,581,628.80 and 1,013,084.90 is: 1,519,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,419.20 : 1,581,628.80 = 1,013,084.90 : x
  2. Step 2: Convert to fraction form
    1,054,419.20/1,581,628.80 = 1,013,084.90/x
  3. Step 3: Cross multiply
    1,054,419.20x = 1,581,628.80 × 1,013,084.90
  4. Step 4: Simplify right side
    1,054,419.20x = 1,602,324,254,685.12
  5. Step 5: Solve for x
    x = 1,602,324,254,685.12/1,054,419.20
  6. Step 6: Final answer
    x = 1,519,627.35

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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.