Home / 1,432,496.85-1,977,126.47-821,059.42

Finding the Fourth Proportional to 1,432,496.85, 1,977,126.47 and 821,059.42

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Solution

The fourth proportional to 1,432,496.85, 1,977,126.47 and 821,059.42 is: 1,133,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,496.85 : 1,977,126.47 = 821,059.42 : x
  2. Step 2: Convert to fraction form
    1,432,496.85/1,977,126.47 = 821,059.42/x
  3. Step 3: Cross multiply
    1,432,496.85x = 1,977,126.47 × 821,059.42
  4. Step 4: Simplify right side
    1,432,496.85x = 1,623,338,312,724.85
  5. Step 5: Solve for x
    x = 1,623,338,312,724.85/1,432,496.85
  6. Step 6: Final answer
    x = 1,133,222.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.