Home / 1,432,496.74-1,977,126.31-821,059.31

Finding the Fourth Proportional to 1,432,496.74, 1,977,126.31 and 821,059.31

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Solution

The fourth proportional to 1,432,496.74, 1,977,126.31 and 821,059.31 is: 1,133,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,496.74 : 1,977,126.31 = 821,059.31 : x
  2. Step 2: Convert to fraction form
    1,432,496.74/1,977,126.31 = 821,059.31/x
  3. Step 3: Cross multiply
    1,432,496.74x = 1,977,126.31 × 821,059.31
  4. Step 4: Simplify right side
    1,432,496.74x = 1,623,337,963,871.45
  5. Step 5: Solve for x
    x = 1,623,337,963,871.45/1,432,496.74
  6. Step 6: Final answer
    x = 1,133,222.80

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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.