Home / 1,045,205.10-1,567,418.85-413,988.30

Finding the Fourth Proportional to 1,045,205.10, 1,567,418.85 and 413,988.30

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Solution

The fourth proportional to 1,045,205.10, 1,567,418.85 and 413,988.30 is: 620,828.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,205.10 : 1,567,418.85 = 413,988.30 : x
  2. Step 2: Convert to fraction form
    1,045,205.10/1,567,418.85 = 413,988.30/x
  3. Step 3: Cross multiply
    1,045,205.10x = 1,567,418.85 × 413,988.30
  4. Step 4: Simplify right side
    1,045,205.10x = 648,893,065,099.46
  5. Step 5: Solve for x
    x = 648,893,065,099.46/1,045,205.10
  6. Step 6: Final answer
    x = 620,828.45

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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.