Home / 1,030,254.89-1,421,836.86-571,517.36

Finding the Fourth Proportional to 1,030,254.89, 1,421,836.86 and 571,517.36

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Solution

The fourth proportional to 1,030,254.89, 1,421,836.86 and 571,517.36 is: 788,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,254.89 : 1,421,836.86 = 571,517.36 : x
  2. Step 2: Convert to fraction form
    1,030,254.89/1,421,836.86 = 571,517.36/x
  3. Step 3: Cross multiply
    1,030,254.89x = 1,421,836.86 × 571,517.36
  4. Step 4: Simplify right side
    1,030,254.89x = 812,604,447,149.10
  5. Step 5: Solve for x
    x = 812,604,447,149.10/1,030,254.89
  6. Step 6: Final answer
    x = 788,741.17

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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.