Home / 977,084.80-1,465,627.20-811,196.80

Finding the Fourth Proportional to 977,084.80, 1,465,627.20 and 811,196.80

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Solution

The fourth proportional to 977,084.80, 1,465,627.20 and 811,196.80 is: 1,216,795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,084.80 : 1,465,627.20 = 811,196.80 : x
  2. Step 2: Convert to fraction form
    977,084.80/1,465,627.20 = 811,196.80/x
  3. Step 3: Cross multiply
    977,084.80x = 1,465,627.20 × 811,196.80
  4. Step 4: Simplify right side
    977,084.80x = 1,188,912,094,632.96
  5. Step 5: Solve for x
    x = 1,188,912,094,632.96/977,084.80
  6. Step 6: Final answer
    x = 1,216,795.20

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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.