Home / 1,235,880.20-1,854,913.80-729,808.40

Finding the Fourth Proportional to 1,235,880.20, 1,854,913.80 and 729,808.40

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Solution

The fourth proportional to 1,235,880.20, 1,854,913.80 and 729,808.40 is: 1,095,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,880.20 : 1,854,913.80 = 729,808.40 : x
  2. Step 2: Convert to fraction form
    1,235,880.20/1,854,913.80 = 729,808.40/x
  3. Step 3: Cross multiply
    1,235,880.20x = 1,854,913.80 × 729,808.40
  4. Step 4: Simplify right side
    1,235,880.20x = 1,353,731,672,515.92
  5. Step 5: Solve for x
    x = 1,353,731,672,515.92/1,235,880.20
  6. Step 6: Final answer
    x = 1,095,358.33

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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.