Home / 1,109,978.92-1,531,775.70-600,681.28

Finding the Fourth Proportional to 1,109,978.92, 1,531,775.70 and 600,681.28

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Solution

The fourth proportional to 1,109,978.92, 1,531,775.70 and 600,681.28 is: 828,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,978.92 : 1,531,775.70 = 600,681.28 : x
  2. Step 2: Convert to fraction form
    1,109,978.92/1,531,775.70 = 600,681.28/x
  3. Step 3: Cross multiply
    1,109,978.92x = 1,531,775.70 × 600,681.28
  4. Step 4: Simplify right side
    1,109,978.92x = 920,108,988,148.90
  5. Step 5: Solve for x
    x = 920,108,988,148.90/1,109,978.92
  6. Step 6: Final answer
    x = 828,942.76

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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.