Home / 1,038,844.80-1,555,642.80-828,892.80

Finding the Fourth Proportional to 1,038,844.80, 1,555,642.80 and 828,892.80

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Solution

The fourth proportional to 1,038,844.80, 1,555,642.80 and 828,892.80 is: 1,241,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,844.80 : 1,555,642.80 = 828,892.80 : x
  2. Step 2: Convert to fraction form
    1,038,844.80/1,555,642.80 = 828,892.80/x
  3. Step 3: Cross multiply
    1,038,844.80x = 1,555,642.80 × 828,892.80
  4. Step 4: Simplify right side
    1,038,844.80x = 1,289,461,116,291.84
  5. Step 5: Solve for x
    x = 1,289,461,116,291.84/1,038,844.80
  6. Step 6: Final answer
    x = 1,241,245.19

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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.