Home / 1,087,506.60-1,631,259.90-822,085.80

Finding the Fourth Proportional to 1,087,506.60, 1,631,259.90 and 822,085.80

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Solution

The fourth proportional to 1,087,506.60, 1,631,259.90 and 822,085.80 is: 1,233,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,506.60 : 1,631,259.90 = 822,085.80 : x
  2. Step 2: Convert to fraction form
    1,087,506.60/1,631,259.90 = 822,085.80/x
  3. Step 3: Cross multiply
    1,087,506.60x = 1,631,259.90 × 822,085.80
  4. Step 4: Simplify right side
    1,087,506.60x = 1,341,035,599,899.42
  5. Step 5: Solve for x
    x = 1,341,035,599,899.42/1,087,506.60
  6. Step 6: Final answer
    x = 1,233,128.70

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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.