Home / 782,113.20-1,175,502.60-768,116.40

Finding the Fourth Proportional to 782,113.20, 1,175,502.60 and 768,116.40

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Solution

The fourth proportional to 782,113.20, 1,175,502.60 and 768,116.40 is: 1,154,465.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,113.20 : 1,175,502.60 = 768,116.40 : x
  2. Step 2: Convert to fraction form
    782,113.20/1,175,502.60 = 768,116.40/x
  3. Step 3: Cross multiply
    782,113.20x = 1,175,502.60 × 768,116.40
  4. Step 4: Simplify right side
    782,113.20x = 902,922,825,302.64
  5. Step 5: Solve for x
    x = 902,922,825,302.64/782,113.20
  6. Step 6: Final answer
    x = 1,154,465.65

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1.5x scale

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.