Home / 1,030,257.09-1,421,839.91-571,519.58

Finding the Fourth Proportional to 1,030,257.09, 1,421,839.91 and 571,519.58

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Solution

The fourth proportional to 1,030,257.09, 1,421,839.91 and 571,519.58 is: 788,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,257.09 : 1,421,839.91 = 571,519.58 : x
  2. Step 2: Convert to fraction form
    1,030,257.09/1,421,839.91 = 571,519.58/x
  3. Step 3: Cross multiply
    1,030,257.09x = 1,421,839.91 × 571,519.58
  4. Step 4: Simplify right side
    1,030,257.09x = 812,609,342,510.04
  5. Step 5: Solve for x
    x = 812,609,342,510.04/1,030,257.09
  6. Step 6: Final answer
    x = 788,744.24

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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.