Home / 1,713,312.20-2,569,968.30-515,419.40

Finding the Fourth Proportional to 1,713,312.20, 2,569,968.30 and 515,419.40

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Solution

The fourth proportional to 1,713,312.20, 2,569,968.30 and 515,419.40 is: 773,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713,312.20 : 2,569,968.30 = 515,419.40 : x
  2. Step 2: Convert to fraction form
    1,713,312.20/2,569,968.30 = 515,419.40/x
  3. Step 3: Cross multiply
    1,713,312.20x = 2,569,968.30 × 515,419.40
  4. Step 4: Simplify right side
    1,713,312.20x = 1,324,611,519,205.02
  5. Step 5: Solve for x
    x = 1,324,611,519,205.02/1,713,312.20
  6. Step 6: Final answer
    x = 773,129.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.