Home / 1,315,511.10-1,973,266.65-746,672.40

Finding the Fourth Proportional to 1,315,511.10, 1,973,266.65 and 746,672.40

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Solution

The fourth proportional to 1,315,511.10, 1,973,266.65 and 746,672.40 is: 1,120,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,511.10 : 1,973,266.65 = 746,672.40 : x
  2. Step 2: Convert to fraction form
    1,315,511.10/1,973,266.65 = 746,672.40/x
  3. Step 3: Cross multiply
    1,315,511.10x = 1,973,266.65 × 746,672.40
  4. Step 4: Simplify right side
    1,315,511.10x = 1,473,383,745,395.46
  5. Step 5: Solve for x
    x = 1,473,383,745,395.46/1,315,511.10
  6. Step 6: Final answer
    x = 1,120,008.60

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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.