Home / 1,359,054.40-2,038,581.60-412,423.60

Finding the Fourth Proportional to 1,359,054.40, 2,038,581.60 and 412,423.60

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Solution

The fourth proportional to 1,359,054.40, 2,038,581.60 and 412,423.60 is: 618,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,054.40 : 2,038,581.60 = 412,423.60 : x
  2. Step 2: Convert to fraction form
    1,359,054.40/2,038,581.60 = 412,423.60/x
  3. Step 3: Cross multiply
    1,359,054.40x = 2,038,581.60 × 412,423.60
  4. Step 4: Simplify right side
    1,359,054.40x = 840,759,162,365.76
  5. Step 5: Solve for x
    x = 840,759,162,365.76/1,359,054.40
  6. Step 6: Final answer
    x = 618,635.40

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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.