Home / 906,806.40-1,360,209.60-766,838.40

Finding the Fourth Proportional to 906,806.40, 1,360,209.60 and 766,838.40

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Solution

The fourth proportional to 906,806.40, 1,360,209.60 and 766,838.40 is: 1,150,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,806.40 : 1,360,209.60 = 766,838.40 : x
  2. Step 2: Convert to fraction form
    906,806.40/1,360,209.60 = 766,838.40/x
  3. Step 3: Cross multiply
    906,806.40x = 1,360,209.60 × 766,838.40
  4. Step 4: Simplify right side
    906,806.40x = 1,043,060,953,328.64
  5. Step 5: Solve for x
    x = 1,043,060,953,328.64/906,806.40
  6. Step 6: Final answer
    x = 1,150,257.60

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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.