Home / 782,117.20-1,097,913.20-782,117.20

Finding the Fourth Proportional to 782,117.20, 1,097,913.20 and 782,117.20

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Solution

The fourth proportional to 782,117.20, 1,097,913.20 and 782,117.20 is: 1,097,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,117.20 : 1,097,913.20 = 782,117.20 : x
  2. Step 2: Convert to fraction form
    782,117.20/1,097,913.20 = 782,117.20/x
  3. Step 3: Cross multiply
    782,117.20x = 1,097,913.20 × 782,117.20
  4. Step 4: Simplify right side
    782,117.20x = 858,696,797,827.04
  5. Step 5: Solve for x
    x = 858,696,797,827.04/782,117.20
  6. Step 6: Final answer
    x = 1,097,913.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.