Home / 1,030,381.54-1,422,096.73-571,643.90

Finding the Fourth Proportional to 1,030,381.54, 1,422,096.73 and 571,643.90

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Solution

The fourth proportional to 1,030,381.54, 1,422,096.73 and 571,643.90 is: 788,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,381.54 : 1,422,096.73 = 571,643.90 : x
  2. Step 2: Convert to fraction form
    1,030,381.54/1,422,096.73 = 571,643.90/x
  3. Step 3: Cross multiply
    1,030,381.54x = 1,422,096.73 × 571,643.90
  4. Step 4: Simplify right side
    1,030,381.54x = 812,932,912,374.85
  5. Step 5: Solve for x
    x = 812,932,912,374.85/1,030,381.54
  6. Step 6: Final answer
    x = 788,963.00

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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.