Home / 1,087,472.60-1,631,208.90-822,051.80

Finding the Fourth Proportional to 1,087,472.60, 1,631,208.90 and 822,051.80

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Solution

The fourth proportional to 1,087,472.60, 1,631,208.90 and 822,051.80 is: 1,233,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,472.60 : 1,631,208.90 = 822,051.80 : x
  2. Step 2: Convert to fraction form
    1,087,472.60/1,631,208.90 = 822,051.80/x
  3. Step 3: Cross multiply
    1,087,472.60x = 1,631,208.90 × 822,051.80
  4. Step 4: Simplify right side
    1,087,472.60x = 1,340,938,212,421.02
  5. Step 5: Solve for x
    x = 1,340,938,212,421.02/1,087,472.60
  6. Step 6: Final answer
    x = 1,233,077.70

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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.