Home / 842,952.60-1,264,428.90-828,955.80

Finding the Fourth Proportional to 842,952.60, 1,264,428.90 and 828,955.80

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Solution

The fourth proportional to 842,952.60, 1,264,428.90 and 828,955.80 is: 1,243,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,952.60 : 1,264,428.90 = 828,955.80 : x
  2. Step 2: Convert to fraction form
    842,952.60/1,264,428.90 = 828,955.80/x
  3. Step 3: Cross multiply
    842,952.60x = 1,264,428.90 × 828,955.80
  4. Step 4: Simplify right side
    842,952.60x = 1,048,155,670,342.62
  5. Step 5: Solve for x
    x = 1,048,155,670,342.62/842,952.60
  6. Step 6: Final answer
    x = 1,243,433.70

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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.