Home / 1,310,822.60-1,966,298.70-680,966.60

Finding the Fourth Proportional to 1,310,822.60, 1,966,298.70 and 680,966.60

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Solution

The fourth proportional to 1,310,822.60, 1,966,298.70 and 680,966.60 is: 1,021,483.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,822.60 : 1,966,298.70 = 680,966.60 : x
  2. Step 2: Convert to fraction form
    1,310,822.60/1,966,298.70 = 680,966.60/x
  3. Step 3: Cross multiply
    1,310,822.60x = 1,966,298.70 × 680,966.60
  4. Step 4: Simplify right side
    1,310,822.60x = 1,338,983,740,323.42
  5. Step 5: Solve for x
    x = 1,338,983,740,323.42/1,310,822.60
  6. Step 6: Final answer
    x = 1,021,483.56

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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.