Home / 1,030,020.88-1,421,431.88-571,167.78

Finding the Fourth Proportional to 1,030,020.88, 1,421,431.88 and 571,167.78

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Solution

The fourth proportional to 1,030,020.88, 1,421,431.88 and 571,167.78 is: 788,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,020.88 : 1,421,431.88 = 571,167.78 : x
  2. Step 2: Convert to fraction form
    1,030,020.88/1,421,431.88 = 571,167.78/x
  3. Step 3: Cross multiply
    1,030,020.88x = 1,421,431.88 × 571,167.78
  4. Step 4: Simplify right side
    1,030,020.88x = 811,876,089,541.98
  5. Step 5: Solve for x
    x = 811,876,089,541.98/1,030,020.88
  6. Step 6: Final answer
    x = 788,213.23

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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.