Home / 1,099,115.10-1,648,672.65-921,968.10

Finding the Fourth Proportional to 1,099,115.10, 1,648,672.65 and 921,968.10

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Solution

The fourth proportional to 1,099,115.10, 1,648,672.65 and 921,968.10 is: 1,382,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,115.10 : 1,648,672.65 = 921,968.10 : x
  2. Step 2: Convert to fraction form
    1,099,115.10/1,648,672.65 = 921,968.10/x
  3. Step 3: Cross multiply
    1,099,115.10x = 1,648,672.65 × 921,968.10
  4. Step 4: Simplify right side
    1,099,115.10x = 1,520,023,590,642.47
  5. Step 5: Solve for x
    x = 1,520,023,590,642.47/1,099,115.10
  6. Step 6: Final answer
    x = 1,382,952.15

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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.