Home / 1,087,603.60-1,631,405.40-822,182.80

Finding the Fourth Proportional to 1,087,603.60, 1,631,405.40 and 822,182.80

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Solution

The fourth proportional to 1,087,603.60, 1,631,405.40 and 822,182.80 is: 1,233,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,603.60 : 1,631,405.40 = 822,182.80 : x
  2. Step 2: Convert to fraction form
    1,087,603.60/1,631,405.40 = 822,182.80/x
  3. Step 3: Cross multiply
    1,087,603.60x = 1,631,405.40 × 822,182.80
  4. Step 4: Simplify right side
    1,087,603.60x = 1,341,313,459,707.12
  5. Step 5: Solve for x
    x = 1,341,313,459,707.12/1,087,603.60
  6. Step 6: Final answer
    x = 1,233,274.20

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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.