Home / 1,030,381.29-1,422,096.39-571,643.65

Finding the Fourth Proportional to 1,030,381.29, 1,422,096.39 and 571,643.65

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Solution

The fourth proportional to 1,030,381.29, 1,422,096.39 and 571,643.65 is: 788,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,381.29 : 1,422,096.39 = 571,643.65 : x
  2. Step 2: Convert to fraction form
    1,030,381.29/1,422,096.39 = 571,643.65/x
  3. Step 3: Cross multiply
    1,030,381.29x = 1,422,096.39 × 571,643.65
  4. Step 4: Simplify right side
    1,030,381.29x = 812,932,361,062.72
  5. Step 5: Solve for x
    x = 812,932,361,062.72/1,030,381.29
  6. Step 6: Final answer
    x = 788,962.66

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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.